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Finding the Fourth Proportional to 55,607.70, 83,411.55 and 49,617.30

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Solution

The fourth proportional to 55,607.70, 83,411.55 and 49,617.30 is: 74,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.70 : 83,411.55 = 49,617.30 : x
  2. Step 2: Convert to fraction form
    55,607.70/83,411.55 = 49,617.30/x
  3. Step 3: Cross multiply
    55,607.70x = 83,411.55 × 49,617.30
  4. Step 4: Simplify right side
    55,607.70x = 4,138,655,899.82
  5. Step 5: Solve for x
    x = 4,138,655,899.82/55,607.70
  6. Step 6: Final answer
    x = 74,425.95

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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.