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Finding the Fourth Proportional to 69,078.40, 103,617.60 and 24,726.40

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Solution

The fourth proportional to 69,078.40, 103,617.60 and 24,726.40 is: 37,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,078.40 : 103,617.60 = 24,726.40 : x
  2. Step 2: Convert to fraction form
    69,078.40/103,617.60 = 24,726.40/x
  3. Step 3: Cross multiply
    69,078.40x = 103,617.60 × 24,726.40
  4. Step 4: Simplify right side
    69,078.40x = 2,562,090,224.64
  5. Step 5: Solve for x
    x = 2,562,090,224.64/69,078.40
  6. Step 6: Final answer
    x = 37,089.60

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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.