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Finding the Fourth Proportional to 35,378.76, 48,825.02 and 21,034.76

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Solution

The fourth proportional to 35,378.76, 48,825.02 and 21,034.76 is: 29,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.76 : 48,825.02 = 21,034.76 : x
  2. Step 2: Convert to fraction form
    35,378.76/48,825.02 = 21,034.76/x
  3. Step 3: Cross multiply
    35,378.76x = 48,825.02 × 21,034.76
  4. Step 4: Simplify right side
    35,378.76x = 1,027,022,577.70
  5. Step 5: Solve for x
    x = 1,027,022,577.70/35,378.76
  6. Step 6: Final answer
    x = 29,029.35

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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.