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Finding the Fourth Proportional to 54,154.76, 74,756.31 and 32,941.40

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Solution

The fourth proportional to 54,154.76, 74,756.31 and 32,941.40 is: 45,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.76 : 74,756.31 = 32,941.40 : x
  2. Step 2: Convert to fraction form
    54,154.76/74,756.31 = 32,941.40/x
  3. Step 3: Cross multiply
    54,154.76x = 74,756.31 × 32,941.40
  4. Step 4: Simplify right side
    54,154.76x = 2,462,577,697.12
  5. Step 5: Solve for x
    x = 2,462,577,697.12/54,154.76
  6. Step 6: Final answer
    x = 45,472.97

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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.