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Finding the Fourth Proportional to 7,101.74, 9,798.87 and 4,750.72

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Solution

The fourth proportional to 7,101.74, 9,798.87 and 4,750.72 is: 6,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.74 : 9,798.87 = 4,750.72 : x
  2. Step 2: Convert to fraction form
    7,101.74/9,798.87 = 4,750.72/x
  3. Step 3: Cross multiply
    7,101.74x = 9,798.87 × 4,750.72
  4. Step 4: Simplify right side
    7,101.74x = 46,551,681.00
  5. Step 5: Solve for x
    x = 46,551,681.00/7,101.74
  6. Step 6: Final answer
    x = 6,554.97

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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.