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Finding the Fourth Proportional to 64,411.70, 96,613.50 and 20,035.04

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Solution

The fourth proportional to 64,411.70, 96,613.50 and 20,035.04 is: 30,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,411.70 : 96,613.50 = 20,035.04 : x
  2. Step 2: Convert to fraction form
    64,411.70/96,613.50 = 20,035.04/x
  3. Step 3: Cross multiply
    64,411.70x = 96,613.50 × 20,035.04
  4. Step 4: Simplify right side
    64,411.70x = 1,935,655,337.04
  5. Step 5: Solve for x
    x = 1,935,655,337.04/64,411.70
  6. Step 6: Final answer
    x = 30,051.30

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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.