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Finding the Fourth Proportional to 65,661.48, 98,482.86 and 37,490.04

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Solution

The fourth proportional to 65,661.48, 98,482.86 and 37,490.04 is: 56,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661.48 : 98,482.86 = 37,490.04 : x
  2. Step 2: Convert to fraction form
    65,661.48/98,482.86 = 37,490.04/x
  3. Step 3: Cross multiply
    65,661.48x = 98,482.86 × 37,490.04
  4. Step 4: Simplify right side
    65,661.48x = 3,692,126,360.71
  5. Step 5: Solve for x
    x = 3,692,126,360.71/65,661.48
  6. Step 6: Final answer
    x = 56,229.72

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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.