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Finding the Fourth Proportional to 48,541.50, 72,807.39 and 35,419.50

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Solution

The fourth proportional to 48,541.50, 72,807.39 and 35,419.50 is: 53,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541.50 : 72,807.39 = 35,419.50 : x
  2. Step 2: Convert to fraction form
    48,541.50/72,807.39 = 35,419.50/x
  3. Step 3: Cross multiply
    48,541.50x = 72,807.39 × 35,419.50
  4. Step 4: Simplify right side
    48,541.50x = 2,578,801,350.11
  5. Step 5: Solve for x
    x = 2,578,801,350.11/48,541.50
  6. Step 6: Final answer
    x = 53,125.70

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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.