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Finding the Fourth Proportional to 64,306.60, 96,459.90 and 17,564.20

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Solution

The fourth proportional to 64,306.60, 96,459.90 and 17,564.20 is: 26,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.60 : 96,459.90 = 17,564.20 : x
  2. Step 2: Convert to fraction form
    64,306.60/96,459.90 = 17,564.20/x
  3. Step 3: Cross multiply
    64,306.60x = 96,459.90 × 17,564.20
  4. Step 4: Simplify right side
    64,306.60x = 1,694,240,975.58
  5. Step 5: Solve for x
    x = 1,694,240,975.58/64,306.60
  6. Step 6: Final answer
    x = 26,346.30

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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.