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Finding the Fourth Proportional to 16,895,681.91, 25,302,187.85 and 15,258,057.03

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Solution

The fourth proportional to 16,895,681.91, 25,302,187.85 and 15,258,057.03 is: 22,849,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895,681.91 : 25,302,187.85 = 15,258,057.03 : x
  2. Step 2: Convert to fraction form
    16,895,681.91/25,302,187.85 = 15,258,057.03/x
  3. Step 3: Cross multiply
    16,895,681.91x = 25,302,187.85 × 15,258,057.03
  4. Step 4: Simplify right side
    16,895,681.91x = 386,062,225,122,782.75
  5. Step 5: Solve for x
    x = 386,062,225,122,782.75/16,895,681.91
  6. Step 6: Final answer
    x = 22,849,756.95

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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.