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Finding the Fourth Proportional to 38,303.80, 57,498.90 and 29,577.40

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Solution

The fourth proportional to 38,303.80, 57,498.90 and 29,577.40 is: 44,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.80 : 57,498.90 = 29,577.40 : x
  2. Step 2: Convert to fraction form
    38,303.80/57,498.90 = 29,577.40/x
  3. Step 3: Cross multiply
    38,303.80x = 57,498.90 × 29,577.40
  4. Step 4: Simplify right side
    38,303.80x = 1,700,667,964.86
  5. Step 5: Solve for x
    x = 1,700,667,964.86/38,303.80
  6. Step 6: Final answer
    x = 44,399.46

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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.