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Finding the Fourth Proportional to 58,772.70, 88,159.05 and 31,124.70

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Solution

The fourth proportional to 58,772.70, 88,159.05 and 31,124.70 is: 46,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,772.70 : 88,159.05 = 31,124.70 : x
  2. Step 2: Convert to fraction form
    58,772.70/88,159.05 = 31,124.70/x
  3. Step 3: Cross multiply
    58,772.70x = 88,159.05 × 31,124.70
  4. Step 4: Simplify right side
    58,772.70x = 2,743,923,983.54
  5. Step 5: Solve for x
    x = 2,743,923,983.54/58,772.70
  6. Step 6: Final answer
    x = 46,687.05

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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.