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Finding the Fourth Proportional to 22,948.72, 34,419.84 and 7,364.32

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Solution

The fourth proportional to 22,948.72, 34,419.84 and 7,364.32 is: 11,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.72 : 34,419.84 = 7,364.32 : x
  2. Step 2: Convert to fraction form
    22,948.72/34,419.84 = 7,364.32/x
  3. Step 3: Cross multiply
    22,948.72x = 34,419.84 × 7,364.32
  4. Step 4: Simplify right side
    22,948.72x = 253,478,716.11
  5. Step 5: Solve for x
    x = 253,478,716.11/22,948.72
  6. Step 6: Final answer
    x = 11,045.44

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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.