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Finding the Fourth Proportional to 10,368,034.70, 15,549,978.45 and 4,976,674.70

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Solution

The fourth proportional to 10,368,034.70, 15,549,978.45 and 4,976,674.70 is: 7,464,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,034.70 : 15,549,978.45 = 4,976,674.70 : x
  2. Step 2: Convert to fraction form
    10,368,034.70/15,549,978.45 = 4,976,674.70/x
  3. Step 3: Cross multiply
    10,368,034.70x = 15,549,978.45 × 4,976,674.70
  4. Step 4: Simplify right side
    10,368,034.70x = 77,387,184,337,660.22
  5. Step 5: Solve for x
    x = 77,387,184,337,660.22/10,368,034.70
  6. Step 6: Final answer
    x = 7,464,016.72

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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.