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Finding the Fourth Proportional to 9,887.52, 14,751.36 and 9,528.96

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Solution

The fourth proportional to 9,887.52, 14,751.36 and 9,528.96 is: 14,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.52 : 14,751.36 = 9,528.96 : x
  2. Step 2: Convert to fraction form
    9,887.52/14,751.36 = 9,528.96/x
  3. Step 3: Cross multiply
    9,887.52x = 14,751.36 × 9,528.96
  4. Step 4: Simplify right side
    9,887.52x = 140,565,119.39
  5. Step 5: Solve for x
    x = 140,565,119.39/9,887.52
  6. Step 6: Final answer
    x = 14,216.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.