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Finding the Fourth Proportional to 56,737.70, 85,106.55 and 48,281.30

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Solution

The fourth proportional to 56,737.70, 85,106.55 and 48,281.30 is: 72,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.70 : 85,106.55 = 48,281.30 : x
  2. Step 2: Convert to fraction form
    56,737.70/85,106.55 = 48,281.30/x
  3. Step 3: Cross multiply
    56,737.70x = 85,106.55 × 48,281.30
  4. Step 4: Simplify right side
    56,737.70x = 4,109,054,872.52
  5. Step 5: Solve for x
    x = 4,109,054,872.52/56,737.70
  6. Step 6: Final answer
    x = 72,421.95

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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.