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Finding the Fourth Proportional to 29,859.62, 44,779.93 and 9,865.40

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Solution

The fourth proportional to 29,859.62, 44,779.93 and 9,865.40 is: 14,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,859.62 : 44,779.93 = 9,865.40 : x
  2. Step 2: Convert to fraction form
    29,859.62/44,779.93 = 9,865.40/x
  3. Step 3: Cross multiply
    29,859.62x = 44,779.93 × 9,865.40
  4. Step 4: Simplify right side
    29,859.62x = 441,772,008.71
  5. Step 5: Solve for x
    x = 441,772,008.71/29,859.62
  6. Step 6: Final answer
    x = 14,794.96

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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.