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Finding the Fourth Proportional to 64,406.46, 89,045.19 and 48,572.22

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Solution

The fourth proportional to 64,406.46, 89,045.19 and 48,572.22 is: 67,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,406.46 : 89,045.19 = 48,572.22 : x
  2. Step 2: Convert to fraction form
    64,406.46/89,045.19 = 48,572.22/x
  3. Step 3: Cross multiply
    64,406.46x = 89,045.19 × 48,572.22
  4. Step 4: Simplify right side
    64,406.46x = 4,325,122,558.62
  5. Step 5: Solve for x
    x = 4,325,122,558.62/64,406.46
  6. Step 6: Final answer
    x = 67,153.55

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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.