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Finding the Fourth Proportional to 75,622.80, 113,482.80 and 44,032.80

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Solution

The fourth proportional to 75,622.80, 113,482.80 and 44,032.80 is: 66,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.80 : 113,482.80 = 44,032.80 : x
  2. Step 2: Convert to fraction form
    75,622.80/113,482.80 = 44,032.80/x
  3. Step 3: Cross multiply
    75,622.80x = 113,482.80 × 44,032.80
  4. Step 4: Simplify right side
    75,622.80x = 4,996,965,435.84
  5. Step 5: Solve for x
    x = 4,996,965,435.84/75,622.80
  6. Step 6: Final answer
    x = 66,077.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.