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Finding the Fourth Proportional to 64,421.68, 96,627.80 and 17,670.88

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Solution

The fourth proportional to 64,421.68, 96,627.80 and 17,670.88 is: 26,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,421.68 : 96,627.80 = 17,670.88 : x
  2. Step 2: Convert to fraction form
    64,421.68/96,627.80 = 17,670.88/x
  3. Step 3: Cross multiply
    64,421.68x = 96,627.80 × 17,670.88
  4. Step 4: Simplify right side
    64,421.68x = 1,707,498,258.46
  5. Step 5: Solve for x
    x = 1,707,498,258.46/64,421.68
  6. Step 6: Final answer
    x = 26,505.03

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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.