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Finding the Fourth Proportional to 7,102,718.92, 9,795,215.34 and 4,654,440.76

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Solution

The fourth proportional to 7,102,718.92, 9,795,215.34 and 4,654,440.76 is: 6,418,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,718.92 : 9,795,215.34 = 4,654,440.76 : x
  2. Step 2: Convert to fraction form
    7,102,718.92/9,795,215.34 = 4,654,440.76/x
  3. Step 3: Cross multiply
    7,102,718.92x = 9,795,215.34 × 4,654,440.76
  4. Step 4: Simplify right side
    7,102,718.92x = 45,591,249,531,473.26
  5. Step 5: Solve for x
    x = 45,591,249,531,473.26/7,102,718.92
  6. Step 6: Final answer
    x = 6,418,844.68

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Double scale
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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.