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Finding the Fourth Proportional to 17,986,246.65, 25,237,432.35 and 17,986,246.65

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Solution

The fourth proportional to 17,986,246.65, 25,237,432.35 and 17,986,246.65 is: 25,237,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986,246.65 : 25,237,432.35 = 17,986,246.65 : x
  2. Step 2: Convert to fraction form
    17,986,246.65/25,237,432.35 = 17,986,246.65/x
  3. Step 3: Cross multiply
    17,986,246.65x = 25,237,432.35 × 17,986,246.65
  4. Step 4: Simplify right side
    17,986,246.65x = 453,926,683,059,789.12
  5. Step 5: Solve for x
    x = 453,926,683,059,789.12/17,986,246.65
  6. Step 6: Final answer
    x = 25,237,432.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.