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Finding the Fourth Proportional to 54,328.80, 81,529.65 and 24,731.40

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Solution

The fourth proportional to 54,328.80, 81,529.65 and 24,731.40 is: 37,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.80 : 81,529.65 = 24,731.40 : x
  2. Step 2: Convert to fraction form
    54,328.80/81,529.65 = 24,731.40/x
  3. Step 3: Cross multiply
    54,328.80x = 81,529.65 × 24,731.40
  4. Step 4: Simplify right side
    54,328.80x = 2,016,342,386.01
  5. Step 5: Solve for x
    x = 2,016,342,386.01/54,328.80
  6. Step 6: Final answer
    x = 37,113.69

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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.