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Finding the Fourth Proportional to 9,134.30, 13,701.95 and 4,458.30

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Solution

The fourth proportional to 9,134.30, 13,701.95 and 4,458.30 is: 6,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.30 : 13,701.95 = 4,458.30 : x
  2. Step 2: Convert to fraction form
    9,134.30/13,701.95 = 4,458.30/x
  3. Step 3: Cross multiply
    9,134.30x = 13,701.95 × 4,458.30
  4. Step 4: Simplify right side
    9,134.30x = 61,087,403.69
  5. Step 5: Solve for x
    x = 61,087,403.69/9,134.30
  6. Step 6: Final answer
    x = 6,687.69

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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.