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Finding the Fourth Proportional to 52,614.32, 78,920.04 and 17,554.64

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Solution

The fourth proportional to 52,614.32, 78,920.04 and 17,554.64 is: 26,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,614.32 : 78,920.04 = 17,554.64 : x
  2. Step 2: Convert to fraction form
    52,614.32/78,920.04 = 17,554.64/x
  3. Step 3: Cross multiply
    52,614.32x = 78,920.04 × 17,554.64
  4. Step 4: Simplify right side
    52,614.32x = 1,385,412,890.99
  5. Step 5: Solve for x
    x = 1,385,412,890.99/52,614.32
  6. Step 6: Final answer
    x = 26,331.48

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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.