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Finding the Fourth Proportional to 7,026,508.22, 9,696,526.53 and 3,929,037.56

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Solution

The fourth proportional to 7,026,508.22, 9,696,526.53 and 3,929,037.56 is: 5,422,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026,508.22 : 9,696,526.53 = 3,929,037.56 : x
  2. Step 2: Convert to fraction form
    7,026,508.22/9,696,526.53 = 3,929,037.56/x
  3. Step 3: Cross multiply
    7,026,508.22x = 9,696,526.53 × 3,929,037.56
  4. Step 4: Simplify right side
    7,026,508.22x = 38,098,016,889,423.84
  5. Step 5: Solve for x
    x = 38,098,016,889,423.84/7,026,508.22
  6. Step 6: Final answer
    x = 5,422,041.18

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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.