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Finding the Fourth Proportional to 48,913.50, 67,500.90 and 26,557.50

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Solution

The fourth proportional to 48,913.50, 67,500.90 and 26,557.50 is: 36,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,913.50 : 67,500.90 = 26,557.50 : x
  2. Step 2: Convert to fraction form
    48,913.50/67,500.90 = 26,557.50/x
  3. Step 3: Cross multiply
    48,913.50x = 67,500.90 × 26,557.50
  4. Step 4: Simplify right side
    48,913.50x = 1,792,655,151.75
  5. Step 5: Solve for x
    x = 1,792,655,151.75/48,913.50
  6. Step 6: Final answer
    x = 36,649.50

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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.