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Finding the Fourth Proportional to 9,924.71, 14,887.05 and 2,999.21

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Solution

The fourth proportional to 9,924.71, 14,887.05 and 2,999.21 is: 4,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.71 : 14,887.05 = 2,999.21 : x
  2. Step 2: Convert to fraction form
    9,924.71/14,887.05 = 2,999.21/x
  3. Step 3: Cross multiply
    9,924.71x = 14,887.05 × 2,999.21
  4. Step 4: Simplify right side
    9,924.71x = 44,649,314.80
  5. Step 5: Solve for x
    x = 44,649,314.80/9,924.71
  6. Step 6: Final answer
    x = 4,498.81

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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.