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Finding the Fourth Proportional to 63,547.74, 95,342.40 and 45,763.74

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Solution

The fourth proportional to 63,547.74, 95,342.40 and 45,763.74 is: 68,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,547.74 : 95,342.40 = 45,763.74 : x
  2. Step 2: Convert to fraction form
    63,547.74/95,342.40 = 45,763.74/x
  3. Step 3: Cross multiply
    63,547.74x = 95,342.40 × 45,763.74
  4. Step 4: Simplify right side
    63,547.74x = 4,363,224,804.58
  5. Step 5: Solve for x
    x = 4,363,224,804.58/63,547.74
  6. Step 6: Final answer
    x = 68,660.58

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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.