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Finding the Fourth Proportional to 9,662,551.80, 14,493,827.70 and 5,357,879.70

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Solution

The fourth proportional to 9,662,551.80, 14,493,827.70 and 5,357,879.70 is: 8,036,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,551.80 : 14,493,827.70 = 5,357,879.70 : x
  2. Step 2: Convert to fraction form
    9,662,551.80/14,493,827.70 = 5,357,879.70/x
  3. Step 3: Cross multiply
    9,662,551.80x = 14,493,827.70 × 5,357,879.70
  4. Step 4: Simplify right side
    9,662,551.80x = 77,656,185,209,127.69
  5. Step 5: Solve for x
    x = 77,656,185,209,127.69/9,662,551.80
  6. Step 6: Final answer
    x = 8,036,819.55

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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.