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Finding the Fourth Proportional to 64,056.59, 96,143.94 and 32,488.80

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Solution

The fourth proportional to 64,056.59, 96,143.94 and 32,488.80 is: 48,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,056.59 : 96,143.94 = 32,488.80 : x
  2. Step 2: Convert to fraction form
    64,056.59/96,143.94 = 32,488.80/x
  3. Step 3: Cross multiply
    64,056.59x = 96,143.94 × 32,488.80
  4. Step 4: Simplify right side
    64,056.59x = 3,123,601,237.87
  5. Step 5: Solve for x
    x = 3,123,601,237.87/64,056.59
  6. Step 6: Final answer
    x = 48,763.16

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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.