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Finding the Fourth Proportional to 40,807.62, 61,153.95 and 32,450.55

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Solution

The fourth proportional to 40,807.62, 61,153.95 and 32,450.55 is: 48,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.62 : 61,153.95 = 32,450.55 : x
  2. Step 2: Convert to fraction form
    40,807.62/61,153.95 = 32,450.55/x
  3. Step 3: Cross multiply
    40,807.62x = 61,153.95 × 32,450.55
  4. Step 4: Simplify right side
    40,807.62x = 1,984,479,312.17
  5. Step 5: Solve for x
    x = 1,984,479,312.17/40,807.62
  6. Step 6: Final answer
    x = 48,630.12

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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.