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Finding the Fourth Proportional to 53,534.47, 73,874.47 and 29,659.72

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Solution

The fourth proportional to 53,534.47, 73,874.47 and 29,659.72 is: 40,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.47 : 73,874.47 = 29,659.72 : x
  2. Step 2: Convert to fraction form
    53,534.47/73,874.47 = 29,659.72/x
  3. Step 3: Cross multiply
    53,534.47x = 73,874.47 × 29,659.72
  4. Step 4: Simplify right side
    53,534.47x = 2,191,096,095.35
  5. Step 5: Solve for x
    x = 2,191,096,095.35/53,534.47
  6. Step 6: Final answer
    x = 40,928.70

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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.