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Finding the Fourth Proportional to 36,590.08, 54,885.12 and 8,888

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Solution

The fourth proportional to 36,590.08, 54,885.12 and 8,888 is: 13,332

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,590.08 : 54,885.12 = 8,888 : x
  2. Step 2: Convert to fraction form
    36,590.08/54,885.12 = 8,888/x
  3. Step 3: Cross multiply
    36,590.08x = 54,885.12 × 8,888
  4. Step 4: Simplify right side
    36,590.08x = 487,818,946.56
  5. Step 5: Solve for x
    x = 487,818,946.56/36,590.08
  6. Step 6: Final answer
    x = 13,332

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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.