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Finding the Fourth Proportional to 52,813.46, 72,882.58 and 28,614.46

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Solution

The fourth proportional to 52,813.46, 72,882.58 and 28,614.46 is: 39,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.46 : 72,882.58 = 28,614.46 : x
  2. Step 2: Convert to fraction form
    52,813.46/72,882.58 = 28,614.46/x
  3. Step 3: Cross multiply
    52,813.46x = 72,882.58 × 28,614.46
  4. Step 4: Simplify right side
    52,813.46x = 2,085,495,670.11
  5. Step 5: Solve for x
    x = 2,085,495,670.11/52,813.46
  6. Step 6: Final answer
    x = 39,487.96

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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.