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Finding the Fourth Proportional to 54,293.40, 81,440.10 and 46,517.40

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Solution

The fourth proportional to 54,293.40, 81,440.10 and 46,517.40 is: 69,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,293.40 : 81,440.10 = 46,517.40 : x
  2. Step 2: Convert to fraction form
    54,293.40/81,440.10 = 46,517.40/x
  3. Step 3: Cross multiply
    54,293.40x = 81,440.10 × 46,517.40
  4. Step 4: Simplify right side
    54,293.40x = 3,788,381,707.74
  5. Step 5: Solve for x
    x = 3,788,381,707.74/54,293.40
  6. Step 6: Final answer
    x = 69,776.10

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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.