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Finding the Fourth Proportional to 64,412.70, 96,548.11 and 48,566.92

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Solution

The fourth proportional to 64,412.70, 96,548.11 and 48,566.92 is: 72,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.70 : 96,548.11 = 48,566.92 : x
  2. Step 2: Convert to fraction form
    64,412.70/96,548.11 = 48,566.92/x
  3. Step 3: Cross multiply
    64,412.70x = 96,548.11 × 48,566.92
  4. Step 4: Simplify right side
    64,412.70x = 4,689,044,334.52
  5. Step 5: Solve for x
    x = 4,689,044,334.52/64,412.70
  6. Step 6: Final answer
    x = 72,796.89

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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.