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Finding the Fourth Proportional to 48,574.80, 67,038.12 and 29,464.56

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Solution

The fourth proportional to 48,574.80, 67,038.12 and 29,464.56 is: 40,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,574.80 : 67,038.12 = 29,464.56 : x
  2. Step 2: Convert to fraction form
    48,574.80/67,038.12 = 29,464.56/x
  3. Step 3: Cross multiply
    48,574.80x = 67,038.12 × 29,464.56
  4. Step 4: Simplify right side
    48,574.80x = 1,975,248,709.03
  5. Step 5: Solve for x
    x = 1,975,248,709.03/48,574.80
  6. Step 6: Final answer
    x = 40,664.06

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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.