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Finding the Fourth Proportional to 18,010,689.30, 24,854,503.04 and 9,861,927.30

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Solution

The fourth proportional to 18,010,689.30, 24,854,503.04 and 9,861,927.30 is: 13,609,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010,689.30 : 24,854,503.04 = 9,861,927.30 : x
  2. Step 2: Convert to fraction form
    18,010,689.30/24,854,503.04 = 9,861,927.30/x
  3. Step 3: Cross multiply
    18,010,689.30x = 24,854,503.04 × 9,861,927.30
  4. Step 4: Simplify right side
    18,010,689.30x = 245,113,302,058,109
  5. Step 5: Solve for x
    x = 245,113,302,058,109/18,010,689.30
  6. Step 6: Final answer
    x = 13,609,323.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.