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Finding the Fourth Proportional to 64,020.52, 88,340.16 and 35,727.40

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Solution

The fourth proportional to 64,020.52, 88,340.16 and 35,727.40 is: 49,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020.52 : 88,340.16 = 35,727.40 : x
  2. Step 2: Convert to fraction form
    64,020.52/88,340.16 = 35,727.40/x
  3. Step 3: Cross multiply
    64,020.52x = 88,340.16 × 35,727.40
  4. Step 4: Simplify right side
    64,020.52x = 3,156,164,011.53
  5. Step 5: Solve for x
    x = 3,156,164,011.53/64,020.52
  6. Step 6: Final answer
    x = 49,299.26

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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.