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Finding the Fourth Proportional to 17,491,869.60, 26,248,863.60 and 10,303,389.60

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Solution

The fourth proportional to 17,491,869.60, 26,248,863.60 and 10,303,389.60 is: 15,461,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491,869.60 : 26,248,863.60 = 10,303,389.60 : x
  2. Step 2: Convert to fraction form
    17,491,869.60/26,248,863.60 = 10,303,389.60/x
  3. Step 3: Cross multiply
    17,491,869.60x = 26,248,863.60 × 10,303,389.60
  4. Step 4: Simplify right side
    17,491,869.60x = 270,452,268,228,058.56
  5. Step 5: Solve for x
    x = 270,452,268,228,058.56/17,491,869.60
  6. Step 6: Final answer
    x = 15,461,598.70

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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.