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Finding the Fourth Proportional to 6,604,680.71, 9,895,727.23 and 5,164,808.10

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Solution

The fourth proportional to 6,604,680.71, 9,895,727.23 and 5,164,808.10 is: 7,738,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604,680.71 : 9,895,727.23 = 5,164,808.10 : x
  2. Step 2: Convert to fraction form
    6,604,680.71/9,895,727.23 = 5,164,808.10/x
  3. Step 3: Cross multiply
    6,604,680.71x = 9,895,727.23 × 5,164,808.10
  4. Step 4: Simplify right side
    6,604,680.71x = 51,109,532,127,070.52
  5. Step 5: Solve for x
    x = 51,109,532,127,070.52/6,604,680.71
  6. Step 6: Final answer
    x = 7,738,380.46

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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.