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Finding the Fourth Proportional to 3,340.03, 5,010.12 and 1,031.53

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Solution

The fourth proportional to 3,340.03, 5,010.12 and 1,031.53 is: 1,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.03 : 5,010.12 = 1,031.53 : x
  2. Step 2: Convert to fraction form
    3,340.03/5,010.12 = 1,031.53/x
  3. Step 3: Cross multiply
    3,340.03x = 5,010.12 × 1,031.53
  4. Step 4: Simplify right side
    3,340.03x = 5,168,091.48
  5. Step 5: Solve for x
    x = 5,168,091.48/3,340.03
  6. Step 6: Final answer
    x = 1,547.32

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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.