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Finding the Fourth Proportional to 9,868.88, 14,801.50 and 4,321.19

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Solution

The fourth proportional to 9,868.88, 14,801.50 and 4,321.19 is: 6,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.88 : 14,801.50 = 4,321.19 : x
  2. Step 2: Convert to fraction form
    9,868.88/14,801.50 = 4,321.19/x
  3. Step 3: Cross multiply
    9,868.88x = 14,801.50 × 4,321.19
  4. Step 4: Simplify right side
    9,868.88x = 63,960,088.79
  5. Step 5: Solve for x
    x = 63,960,088.79/9,868.88
  6. Step 6: Final answer
    x = 6,480.99

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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.