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Finding the Fourth Proportional to 64,778.68, 97,168.86 and 18,030.76

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Solution

The fourth proportional to 64,778.68, 97,168.86 and 18,030.76 is: 27,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,778.68 : 97,168.86 = 18,030.76 : x
  2. Step 2: Convert to fraction form
    64,778.68/97,168.86 = 18,030.76/x
  3. Step 3: Cross multiply
    64,778.68x = 97,168.86 × 18,030.76
  4. Step 4: Simplify right side
    64,778.68x = 1,752,028,394.13
  5. Step 5: Solve for x
    x = 1,752,028,394.13/64,778.68
  6. Step 6: Final answer
    x = 27,046.37

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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.