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Finding the Fourth Proportional to 35,324.80, 52,987.20 and 9,031.60

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Solution

The fourth proportional to 35,324.80, 52,987.20 and 9,031.60 is: 13,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,324.80 : 52,987.20 = 9,031.60 : x
  2. Step 2: Convert to fraction form
    35,324.80/52,987.20 = 9,031.60/x
  3. Step 3: Cross multiply
    35,324.80x = 52,987.20 × 9,031.60
  4. Step 4: Simplify right side
    35,324.80x = 478,559,195.52
  5. Step 5: Solve for x
    x = 478,559,195.52/35,324.80
  6. Step 6: Final answer
    x = 13,547.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.