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Finding the Fourth Proportional to 62,710.80, 94,219.80 and 47,158.80

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Solution

The fourth proportional to 62,710.80, 94,219.80 and 47,158.80 is: 70,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710.80 : 94,219.80 = 47,158.80 : x
  2. Step 2: Convert to fraction form
    62,710.80/94,219.80 = 47,158.80/x
  3. Step 3: Cross multiply
    62,710.80x = 94,219.80 × 47,158.80
  4. Step 4: Simplify right side
    62,710.80x = 4,443,292,704.24
  5. Step 5: Solve for x
    x = 4,443,292,704.24/62,710.80
  6. Step 6: Final answer
    x = 70,853.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.