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Finding the Fourth Proportional to 38,059.52, 57,085.40 and 11,761.52

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Solution

The fourth proportional to 38,059.52, 57,085.40 and 11,761.52 is: 17,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,059.52 : 57,085.40 = 11,761.52 : x
  2. Step 2: Convert to fraction form
    38,059.52/57,085.40 = 11,761.52/x
  3. Step 3: Cross multiply
    38,059.52x = 57,085.40 × 11,761.52
  4. Step 4: Simplify right side
    38,059.52x = 671,411,073.81
  5. Step 5: Solve for x
    x = 671,411,073.81/38,059.52
  6. Step 6: Final answer
    x = 17,641.08

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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.