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Finding the Fourth Proportional to 63,762.40, 95,528.40 and 54,546.40

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Solution

The fourth proportional to 63,762.40, 95,528.40 and 54,546.40 is: 81,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,762.40 : 95,528.40 = 54,546.40 : x
  2. Step 2: Convert to fraction form
    63,762.40/95,528.40 = 54,546.40/x
  3. Step 3: Cross multiply
    63,762.40x = 95,528.40 × 54,546.40
  4. Step 4: Simplify right side
    63,762.40x = 5,210,730,317.76
  5. Step 5: Solve for x
    x = 5,210,730,317.76/63,762.40
  6. Step 6: Final answer
    x = 81,721.05

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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.