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Finding the Fourth Proportional to 63,646.60, 87,812.54 and 36,779.32

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Solution

The fourth proportional to 63,646.60, 87,812.54 and 36,779.32 is: 50,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,646.60 : 87,812.54 = 36,779.32 : x
  2. Step 2: Convert to fraction form
    63,646.60/87,812.54 = 36,779.32/x
  3. Step 3: Cross multiply
    63,646.60x = 87,812.54 × 36,779.32
  4. Step 4: Simplify right side
    63,646.60x = 3,229,685,508.67
  5. Step 5: Solve for x
    x = 3,229,685,508.67/63,646.60
  6. Step 6: Final answer
    x = 50,744.04

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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.