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Finding the Fourth Proportional to 9,909.95, 14,860.19 and 5,751.20

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Solution

The fourth proportional to 9,909.95, 14,860.19 and 5,751.20 is: 8,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.95 : 14,860.19 = 5,751.20 : x
  2. Step 2: Convert to fraction form
    9,909.95/14,860.19 = 5,751.20/x
  3. Step 3: Cross multiply
    9,909.95x = 14,860.19 × 5,751.20
  4. Step 4: Simplify right side
    9,909.95x = 85,463,976.26
  5. Step 5: Solve for x
    x = 85,463,976.26/9,909.95
  6. Step 6: Final answer
    x = 8,624.06

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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.