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Finding the Fourth Proportional to 58,622.48, 80,863.08 and 47,882.96

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Solution

The fourth proportional to 58,622.48, 80,863.08 and 47,882.96 is: 66,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,622.48 : 80,863.08 = 47,882.96 : x
  2. Step 2: Convert to fraction form
    58,622.48/80,863.08 = 47,882.96/x
  3. Step 3: Cross multiply
    58,622.48x = 80,863.08 × 47,882.96
  4. Step 4: Simplify right side
    58,622.48x = 3,871,963,625.12
  5. Step 5: Solve for x
    x = 3,871,963,625.12/58,622.48
  6. Step 6: Final answer
    x = 66,049.13

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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.