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Finding the Fourth Proportional to 60,656.80, 83,705.12 and 33,799.20

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Solution

The fourth proportional to 60,656.80, 83,705.12 and 33,799.20 is: 46,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,656.80 : 83,705.12 = 33,799.20 : x
  2. Step 2: Convert to fraction form
    60,656.80/83,705.12 = 33,799.20/x
  3. Step 3: Cross multiply
    60,656.80x = 83,705.12 × 33,799.20
  4. Step 4: Simplify right side
    60,656.80x = 2,829,166,091.90
  5. Step 5: Solve for x
    x = 2,829,166,091.90/60,656.80
  6. Step 6: Final answer
    x = 46,642.19

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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.