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Finding the Fourth Proportional to 71,011.01, 98,001.06 and 40,802.17

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Solution

The fourth proportional to 71,011.01, 98,001.06 and 40,802.17 is: 56,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,011.01 : 98,001.06 = 40,802.17 : x
  2. Step 2: Convert to fraction form
    71,011.01/98,001.06 = 40,802.17/x
  3. Step 3: Cross multiply
    71,011.01x = 98,001.06 × 40,802.17
  4. Step 4: Simplify right side
    71,011.01x = 3,998,655,216.28
  5. Step 5: Solve for x
    x = 3,998,655,216.28/71,011.01
  6. Step 6: Final answer
    x = 56,310.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.