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Finding the Fourth Proportional to 9,326.68, 13,988.10 and 4,129.24

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Solution

The fourth proportional to 9,326.68, 13,988.10 and 4,129.24 is: 6,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.68 : 13,988.10 = 4,129.24 : x
  2. Step 2: Convert to fraction form
    9,326.68/13,988.10 = 4,129.24/x
  3. Step 3: Cross multiply
    9,326.68x = 13,988.10 × 4,129.24
  4. Step 4: Simplify right side
    9,326.68x = 57,760,222.04
  5. Step 5: Solve for x
    x = 57,760,222.04/9,326.68
  6. Step 6: Final answer
    x = 6,193.01

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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.