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Finding the Fourth Proportional to 18,208,479.24, 25,127,408.07 and 9,948,364.11

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Solution

The fourth proportional to 18,208,479.24, 25,127,408.07 and 9,948,364.11 is: 13,728,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,479.24 : 25,127,408.07 = 9,948,364.11 : x
  2. Step 2: Convert to fraction form
    18,208,479.24/25,127,408.07 = 9,948,364.11/x
  3. Step 3: Cross multiply
    18,208,479.24x = 25,127,408.07 × 9,948,364.11
  4. Step 4: Simplify right side
    18,208,479.24x = 249,976,604,620,912.34
  5. Step 5: Solve for x
    x = 249,976,604,620,912.34/18,208,479.24
  6. Step 6: Final answer
    x = 13,728,582.24

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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.