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Finding the Fourth Proportional to 63,582.98, 87,740.42 and 39,708.24

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Solution

The fourth proportional to 63,582.98, 87,740.42 and 39,708.24 is: 54,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,582.98 : 87,740.42 = 39,708.24 : x
  2. Step 2: Convert to fraction form
    63,582.98/87,740.42 = 39,708.24/x
  3. Step 3: Cross multiply
    63,582.98x = 87,740.42 × 39,708.24
  4. Step 4: Simplify right side
    63,582.98x = 3,484,017,655.06
  5. Step 5: Solve for x
    x = 3,484,017,655.06/63,582.98
  6. Step 6: Final answer
    x = 54,794.82

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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.