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Finding the Fourth Proportional to 38,044, 52,500.90 and 21,277

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Solution

The fourth proportional to 38,044, 52,500.90 and 21,277 is: 29,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,044 : 52,500.90 = 21,277 : x
  2. Step 2: Convert to fraction form
    38,044/52,500.90 = 21,277/x
  3. Step 3: Cross multiply
    38,044x = 52,500.90 × 21,277
  4. Step 4: Simplify right side
    38,044x = 1,117,061,649.30
  5. Step 5: Solve for x
    x = 1,117,061,649.30/38,044
  6. Step 6: Final answer
    x = 29,362.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.