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Finding the Fourth Proportional to 15,170.32, 22,741.08 and 5,303.17

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Solution

The fourth proportional to 15,170.32, 22,741.08 and 5,303.17 is: 7,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.32 : 22,741.08 = 5,303.17 : x
  2. Step 2: Convert to fraction form
    15,170.32/22,741.08 = 5,303.17/x
  3. Step 3: Cross multiply
    15,170.32x = 22,741.08 × 5,303.17
  4. Step 4: Simplify right side
    15,170.32x = 120,599,813.22
  5. Step 5: Solve for x
    x = 120,599,813.22/15,170.32
  6. Step 6: Final answer
    x = 7,949.72

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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.