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Finding the Fourth Proportional to 63,260, 87,298.80 and 38,114.72

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Solution

The fourth proportional to 63,260, 87,298.80 and 38,114.72 is: 52,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,260 : 87,298.80 = 38,114.72 : x
  2. Step 2: Convert to fraction form
    63,260/87,298.80 = 38,114.72/x
  3. Step 3: Cross multiply
    63,260x = 87,298.80 × 38,114.72
  4. Step 4: Simplify right side
    63,260x = 3,327,369,318.34
  5. Step 5: Solve for x
    x = 3,327,369,318.34/63,260
  6. Step 6: Final answer
    x = 52,598.31

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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.