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Finding the Fourth Proportional to 60,795.56, 83,955.84 and 57,482.30

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Solution

The fourth proportional to 60,795.56, 83,955.84 and 57,482.30 is: 79,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,795.56 : 83,955.84 = 57,482.30 : x
  2. Step 2: Convert to fraction form
    60,795.56/83,955.84 = 57,482.30/x
  3. Step 3: Cross multiply
    60,795.56x = 83,955.84 × 57,482.30
  4. Step 4: Simplify right side
    60,795.56x = 4,825,974,781.63
  5. Step 5: Solve for x
    x = 4,825,974,781.63/60,795.56
  6. Step 6: Final answer
    x = 79,380.38

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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.