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Finding the Fourth Proportional to 9,884.32, 14,836.92 and 9,661.22

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Solution

The fourth proportional to 9,884.32, 14,836.92 and 9,661.22 is: 14,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.32 : 14,836.92 = 9,661.22 : x
  2. Step 2: Convert to fraction form
    9,884.32/14,836.92 = 9,661.22/x
  3. Step 3: Cross multiply
    9,884.32x = 14,836.92 × 9,661.22
  4. Step 4: Simplify right side
    9,884.32x = 143,342,748.24
  5. Step 5: Solve for x
    x = 143,342,748.24/9,884.32
  6. Step 6: Final answer
    x = 14,502.03

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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.