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Finding the Fourth Proportional to 35,449.70, 48,921.63 and 19,535.18

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Solution

The fourth proportional to 35,449.70, 48,921.63 and 19,535.18 is: 26,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.70 : 48,921.63 = 19,535.18 : x
  2. Step 2: Convert to fraction form
    35,449.70/48,921.63 = 19,535.18/x
  3. Step 3: Cross multiply
    35,449.70x = 48,921.63 × 19,535.18
  4. Step 4: Simplify right side
    35,449.70x = 955,692,639.96
  5. Step 5: Solve for x
    x = 955,692,639.96/35,449.70
  6. Step 6: Final answer
    x = 26,959.12

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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.