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Finding the Fourth Proportional to 63,402.69, 87,495.08 and 34,330.92

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Solution

The fourth proportional to 63,402.69, 87,495.08 and 34,330.92 is: 47,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.69 : 87,495.08 = 34,330.92 : x
  2. Step 2: Convert to fraction form
    63,402.69/87,495.08 = 34,330.92/x
  3. Step 3: Cross multiply
    63,402.69x = 87,495.08 × 34,330.92
  4. Step 4: Simplify right side
    63,402.69x = 3,003,786,154.40
  5. Step 5: Solve for x
    x = 3,003,786,154.40/63,402.69
  6. Step 6: Final answer
    x = 47,376.32

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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.