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Finding the Fourth Proportional to 60,643.68, 83,690.85 and 33,786.17

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Solution

The fourth proportional to 60,643.68, 83,690.85 and 33,786.17 is: 46,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,643.68 : 83,690.85 = 33,786.17 : x
  2. Step 2: Convert to fraction form
    60,643.68/83,690.85 = 33,786.17/x
  3. Step 3: Cross multiply
    60,643.68x = 83,690.85 × 33,786.17
  4. Step 4: Simplify right side
    60,643.68x = 2,827,592,867.09
  5. Step 5: Solve for x
    x = 2,827,592,867.09/60,643.68
  6. Step 6: Final answer
    x = 46,626.34

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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.