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Finding the Fourth Proportional to 19,243.77, 28,867.47 and 7,554.25

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Solution

The fourth proportional to 19,243.77, 28,867.47 and 7,554.25 is: 11,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.77 : 28,867.47 = 7,554.25 : x
  2. Step 2: Convert to fraction form
    19,243.77/28,867.47 = 7,554.25/x
  3. Step 3: Cross multiply
    19,243.77x = 28,867.47 × 7,554.25
  4. Step 4: Simplify right side
    19,243.77x = 218,072,085.25
  5. Step 5: Solve for x
    x = 218,072,085.25/19,243.77
  6. Step 6: Final answer
    x = 11,332.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.