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Finding the Fourth Proportional to 64,004.60, 96,006.90 and 32,511.80

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Solution

The fourth proportional to 64,004.60, 96,006.90 and 32,511.80 is: 48,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,004.60 : 96,006.90 = 32,511.80 : x
  2. Step 2: Convert to fraction form
    64,004.60/96,006.90 = 32,511.80/x
  3. Step 3: Cross multiply
    64,004.60x = 96,006.90 × 32,511.80
  4. Step 4: Simplify right side
    64,004.60x = 3,121,357,131.42
  5. Step 5: Solve for x
    x = 3,121,357,131.42/64,004.60
  6. Step 6: Final answer
    x = 48,767.70

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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.