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Finding the Fourth Proportional to 27,202,337.20, 40,803,505.80 and 7,007,579.20

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Solution

The fourth proportional to 27,202,337.20, 40,803,505.80 and 7,007,579.20 is: 10,511,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,202,337.20 : 40,803,505.80 = 7,007,579.20 : x
  2. Step 2: Convert to fraction form
    27,202,337.20/40,803,505.80 = 7,007,579.20/x
  3. Step 3: Cross multiply
    27,202,337.20x = 40,803,505.80 × 7,007,579.20
  4. Step 4: Simplify right side
    27,202,337.20x = 285,933,798,531,159.38
  5. Step 5: Solve for x
    x = 285,933,798,531,159.38/27,202,337.20
  6. Step 6: Final answer
    x = 10,511,368.80

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1.5x scale

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.