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Finding the Fourth Proportional to 64,613.40, 96,701.40 and 56,740.20

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Solution

The fourth proportional to 64,613.40, 96,701.40 and 56,740.20 is: 84,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,613.40 : 96,701.40 = 56,740.20 : x
  2. Step 2: Convert to fraction form
    64,613.40/96,701.40 = 56,740.20/x
  3. Step 3: Cross multiply
    64,613.40x = 96,701.40 × 56,740.20
  4. Step 4: Simplify right side
    64,613.40x = 5,486,856,776.28
  5. Step 5: Solve for x
    x = 5,486,856,776.28/64,613.40
  6. Step 6: Final answer
    x = 84,918.25

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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.