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Finding the Fourth Proportional to 63,065.52, 87,030.18 and 34,772.76

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Solution

The fourth proportional to 63,065.52, 87,030.18 and 34,772.76 is: 47,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.52 : 87,030.18 = 34,772.76 : x
  2. Step 2: Convert to fraction form
    63,065.52/87,030.18 = 34,772.76/x
  3. Step 3: Cross multiply
    63,065.52x = 87,030.18 × 34,772.76
  4. Step 4: Simplify right side
    63,065.52x = 3,026,279,561.90
  5. Step 5: Solve for x
    x = 3,026,279,561.90/63,065.52
  6. Step 6: Final answer
    x = 47,986.28

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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.