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Finding the Fourth Proportional to 63,348.66, 87,419.82 and 34,668.21

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Solution

The fourth proportional to 63,348.66, 87,419.82 and 34,668.21 is: 47,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,348.66 : 87,419.82 = 34,668.21 : x
  2. Step 2: Convert to fraction form
    63,348.66/87,419.82 = 34,668.21/x
  3. Step 3: Cross multiply
    63,348.66x = 87,419.82 × 34,668.21
  4. Step 4: Simplify right side
    63,348.66x = 3,030,688,677.92
  5. Step 5: Solve for x
    x = 3,030,688,677.92/63,348.66
  6. Step 6: Final answer
    x = 47,841.40

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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.