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Finding the Fourth Proportional to 60,799.76, 83,888.86 and 35,644.40

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Solution

The fourth proportional to 60,799.76, 83,888.86 and 35,644.40 is: 49,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,799.76 : 83,888.86 = 35,644.40 : x
  2. Step 2: Convert to fraction form
    60,799.76/83,888.86 = 35,644.40/x
  3. Step 3: Cross multiply
    60,799.76x = 83,888.86 × 35,644.40
  4. Step 4: Simplify right side
    60,799.76x = 2,990,168,081.38
  5. Step 5: Solve for x
    x = 2,990,168,081.38/60,799.76
  6. Step 6: Final answer
    x = 49,180.59

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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.