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Finding the Fourth Proportional to 17,778,475.50, 24,534,297.02 and 9,629,713.50

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Solution

The fourth proportional to 17,778,475.50, 24,534,297.02 and 9,629,713.50 is: 13,289,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,475.50 : 24,534,297.02 = 9,629,713.50 : x
  2. Step 2: Convert to fraction form
    17,778,475.50/24,534,297.02 = 9,629,713.50/x
  3. Step 3: Cross multiply
    17,778,475.50x = 24,534,297.02 × 9,629,713.50
  4. Step 4: Simplify right side
    17,778,475.50x = 236,258,251,226,503.78
  5. Step 5: Solve for x
    x = 236,258,251,226,503.78/17,778,475.50
  6. Step 6: Final answer
    x = 13,289,005.08

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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.