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Finding the Fourth Proportional to 7,554.69, 10,425.12 and 4,197.51

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Solution

The fourth proportional to 7,554.69, 10,425.12 and 4,197.51 is: 5,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.69 : 10,425.12 = 4,197.51 : x
  2. Step 2: Convert to fraction form
    7,554.69/10,425.12 = 4,197.51/x
  3. Step 3: Cross multiply
    7,554.69x = 10,425.12 × 4,197.51
  4. Step 4: Simplify right side
    7,554.69x = 43,759,545.45
  5. Step 5: Solve for x
    x = 43,759,545.45/7,554.69
  6. Step 6: Final answer
    x = 5,792.37

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Half scale
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Double scale
Find fourth proportional to 7,555.69, 10,426.50 and 4,198.51
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.