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Finding the Fourth Proportional to 52,487.51, 72,433.51 and 28,614.15

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Solution

The fourth proportional to 52,487.51, 72,433.51 and 28,614.15 is: 39,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.51 : 72,433.51 = 28,614.15 : x
  2. Step 2: Convert to fraction form
    52,487.51/72,433.51 = 28,614.15/x
  3. Step 3: Cross multiply
    52,487.51x = 72,433.51 × 28,614.15
  4. Step 4: Simplify right side
    52,487.51x = 2,072,623,248.63
  5. Step 5: Solve for x
    x = 2,072,623,248.63/52,487.51
  6. Step 6: Final answer
    x = 39,487.94

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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.