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Finding the Fourth Proportional to 64,511.40, 96,767.10 and 29,519.40

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Solution

The fourth proportional to 64,511.40, 96,767.10 and 29,519.40 is: 44,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,511.40 : 96,767.10 = 29,519.40 : x
  2. Step 2: Convert to fraction form
    64,511.40/96,767.10 = 29,519.40/x
  3. Step 3: Cross multiply
    64,511.40x = 96,767.10 × 29,519.40
  4. Step 4: Simplify right side
    64,511.40x = 2,856,506,731.74
  5. Step 5: Solve for x
    x = 2,856,506,731.74/64,511.40
  6. Step 6: Final answer
    x = 44,279.10

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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.