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Finding the Fourth Proportional to 7,001.55, 10,502.13 and 2,841.45

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Solution

The fourth proportional to 7,001.55, 10,502.13 and 2,841.45 is: 4,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.55 : 10,502.13 = 2,841.45 : x
  2. Step 2: Convert to fraction form
    7,001.55/10,502.13 = 2,841.45/x
  3. Step 3: Cross multiply
    7,001.55x = 10,502.13 × 2,841.45
  4. Step 4: Simplify right side
    7,001.55x = 29,841,277.29
  5. Step 5: Solve for x
    x = 29,841,277.29/7,001.55
  6. Step 6: Final answer
    x = 4,262.10

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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.