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Finding the Fourth Proportional to 60,728.70, 83,805.74 and 33,870.52

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Solution

The fourth proportional to 60,728.70, 83,805.74 and 33,870.52 is: 46,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728.70 : 83,805.74 = 33,870.52 : x
  2. Step 2: Convert to fraction form
    60,728.70/83,805.74 = 33,870.52/x
  3. Step 3: Cross multiply
    60,728.70x = 83,805.74 × 33,870.52
  4. Step 4: Simplify right side
    60,728.70x = 2,838,544,055.20
  5. Step 5: Solve for x
    x = 2,838,544,055.20/60,728.70
  6. Step 6: Final answer
    x = 46,741.39

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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.