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Finding the Fourth Proportional to 60,718.80, 83,788.32 and 33,863.08

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Solution

The fourth proportional to 60,718.80, 83,788.32 and 33,863.08 is: 46,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.80 : 83,788.32 = 33,863.08 : x
  2. Step 2: Convert to fraction form
    60,718.80/83,788.32 = 33,863.08/x
  3. Step 3: Cross multiply
    60,718.80x = 83,788.32 × 33,863.08
  4. Step 4: Simplify right side
    60,718.80x = 2,837,330,583.23
  5. Step 5: Solve for x
    x = 2,837,330,583.23/60,718.80
  6. Step 6: Final answer
    x = 46,729.03

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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.