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Finding the Fourth Proportional to 65,555.90, 98,314.70 and 37,470.72

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Solution

The fourth proportional to 65,555.90, 98,314.70 and 37,470.72 is: 56,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.90 : 98,314.70 = 37,470.72 : x
  2. Step 2: Convert to fraction form
    65,555.90/98,314.70 = 37,470.72/x
  3. Step 3: Cross multiply
    65,555.90x = 98,314.70 × 37,470.72
  4. Step 4: Simplify right side
    65,555.90x = 3,683,922,595.58
  5. Step 5: Solve for x
    x = 3,683,922,595.58/65,555.90
  6. Step 6: Final answer
    x = 56,195.13

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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.