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Finding the Fourth Proportional to 27,798,765.71, 41,668,748.75 and 10,280,065.71

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Solution

The fourth proportional to 27,798,765.71, 41,668,748.75 and 10,280,065.71 is: 15,409,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798,765.71 : 41,668,748.75 = 10,280,065.71 : x
  2. Step 2: Convert to fraction form
    27,798,765.71/41,668,748.75 = 10,280,065.71/x
  3. Step 3: Cross multiply
    27,798,765.71x = 41,668,748.75 × 10,280,065.71
  4. Step 4: Simplify right side
    27,798,765.71x = 428,357,475,152,080.06
  5. Step 5: Solve for x
    x = 428,357,475,152,080.06/27,798,765.71
  6. Step 6: Final answer
    x = 15,409,226.43

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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.