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Finding the Fourth Proportional to 35,358.71, 48,790.93 and 20,250.47

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Solution

The fourth proportional to 35,358.71, 48,790.93 and 20,250.47 is: 27,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.71 : 48,790.93 = 20,250.47 : x
  2. Step 2: Convert to fraction form
    35,358.71/48,790.93 = 20,250.47/x
  3. Step 3: Cross multiply
    35,358.71x = 48,790.93 × 20,250.47
  4. Step 4: Simplify right side
    35,358.71x = 988,039,264.24
  5. Step 5: Solve for x
    x = 988,039,264.24/35,358.71
  6. Step 6: Final answer
    x = 27,943.31

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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.