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Finding the Fourth Proportional to 9,029.15, 13,548.90 and 4,869.14

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Solution

The fourth proportional to 9,029.15, 13,548.90 and 4,869.14 is: 7,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.15 : 13,548.90 = 4,869.14 : x
  2. Step 2: Convert to fraction form
    9,029.15/13,548.90 = 4,869.14/x
  3. Step 3: Cross multiply
    9,029.15x = 13,548.90 × 4,869.14
  4. Step 4: Simplify right side
    9,029.15x = 65,971,490.95
  5. Step 5: Solve for x
    x = 65,971,490.95/9,029.15
  6. Step 6: Final answer
    x = 7,306.50

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1.5x scale

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.