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Finding the Fourth Proportional to 52,351.82, 72,244.76 and 28,478.66

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Solution

The fourth proportional to 52,351.82, 72,244.76 and 28,478.66 is: 39,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,351.82 : 72,244.76 = 28,478.66 : x
  2. Step 2: Convert to fraction form
    52,351.82/72,244.76 = 28,478.66/x
  3. Step 3: Cross multiply
    52,351.82x = 72,244.76 × 28,478.66
  4. Step 4: Simplify right side
    52,351.82x = 2,057,433,956.82
  5. Step 5: Solve for x
    x = 2,057,433,956.82/52,351.82
  6. Step 6: Final answer
    x = 39,300.14

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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.