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Finding the Fourth Proportional to 45,595.40, 68,277.90 and 29,928.20

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Solution

The fourth proportional to 45,595.40, 68,277.90 and 29,928.20 is: 44,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,595.40 : 68,277.90 = 29,928.20 : x
  2. Step 2: Convert to fraction form
    45,595.40/68,277.90 = 29,928.20/x
  3. Step 3: Cross multiply
    45,595.40x = 68,277.90 × 29,928.20
  4. Step 4: Simplify right side
    45,595.40x = 2,043,434,646.78
  5. Step 5: Solve for x
    x = 2,043,434,646.78/45,595.40
  6. Step 6: Final answer
    x = 44,816.68

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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.