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Finding the Fourth Proportional to 65,598.66, 98,398.56 and 18,851.52

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Solution

The fourth proportional to 65,598.66, 98,398.56 and 18,851.52 is: 28,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,598.66 : 98,398.56 = 18,851.52 : x
  2. Step 2: Convert to fraction form
    65,598.66/98,398.56 = 18,851.52/x
  3. Step 3: Cross multiply
    65,598.66x = 98,398.56 × 18,851.52
  4. Step 4: Simplify right side
    65,598.66x = 1,854,962,421.81
  5. Step 5: Solve for x
    x = 1,854,962,421.81/65,598.66
  6. Step 6: Final answer
    x = 28,277.44

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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.