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Finding the Fourth Proportional to 32,855,566.10, 45,354,641.88 and 20,471,778.02

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Solution

The fourth proportional to 32,855,566.10, 45,354,641.88 and 20,471,778.02 is: 28,259,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855,566.10 : 45,354,641.88 = 20,471,778.02 : x
  2. Step 2: Convert to fraction form
    32,855,566.10/45,354,641.88 = 20,471,778.02/x
  3. Step 3: Cross multiply
    32,855,566.10x = 45,354,641.88 × 20,471,778.02
  4. Step 4: Simplify right side
    32,855,566.10x = 928,490,160,517,182.38
  5. Step 5: Solve for x
    x = 928,490,160,517,182.38/32,855,566.10
  6. Step 6: Final answer
    x = 28,259,752.33

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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.