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Finding the Fourth Proportional to 34,949.52, 52,420.62 and 9,987.93

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Solution

The fourth proportional to 34,949.52, 52,420.62 and 9,987.93 is: 14,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,949.52 : 52,420.62 = 9,987.93 : x
  2. Step 2: Convert to fraction form
    34,949.52/52,420.62 = 9,987.93/x
  3. Step 3: Cross multiply
    34,949.52x = 52,420.62 × 9,987.93
  4. Step 4: Simplify right side
    34,949.52x = 523,573,483.12
  5. Step 5: Solve for x
    x = 523,573,483.12/34,949.52
  6. Step 6: Final answer
    x = 14,980.85

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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.