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Finding the Fourth Proportional to 6,472,624.83, 8,935,580.15 and 4,728,335.60

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Solution

The fourth proportional to 6,472,624.83, 8,935,580.15 and 4,728,335.60 is: 6,527,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,624.83 : 8,935,580.15 = 4,728,335.60 : x
  2. Step 2: Convert to fraction form
    6,472,624.83/8,935,580.15 = 4,728,335.60/x
  3. Step 3: Cross multiply
    6,472,624.83x = 8,935,580.15 × 4,728,335.60
  4. Step 4: Simplify right side
    6,472,624.83x = 42,250,421,661,578.76
  5. Step 5: Solve for x
    x = 42,250,421,661,578.76/6,472,624.83
  6. Step 6: Final answer
    x = 6,527,556.10

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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.