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Finding the Fourth Proportional to 65,411.80, 98,124.90 and 23,867.80

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Solution

The fourth proportional to 65,411.80, 98,124.90 and 23,867.80 is: 35,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.80 : 98,124.90 = 23,867.80 : x
  2. Step 2: Convert to fraction form
    65,411.80/98,124.90 = 23,867.80/x
  3. Step 3: Cross multiply
    65,411.80x = 98,124.90 × 23,867.80
  4. Step 4: Simplify right side
    65,411.80x = 2,342,025,488.22
  5. Step 5: Solve for x
    x = 2,342,025,488.22/65,411.80
  6. Step 6: Final answer
    x = 35,804.33

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1.5x scale

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.