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Finding the Fourth Proportional to 46,565.55, 69,868.80 and 15,400.80

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Solution

The fourth proportional to 46,565.55, 69,868.80 and 15,400.80 is: 23,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,565.55 : 69,868.80 = 15,400.80 : x
  2. Step 2: Convert to fraction form
    46,565.55/69,868.80 = 15,400.80/x
  3. Step 3: Cross multiply
    46,565.55x = 69,868.80 × 15,400.80
  4. Step 4: Simplify right side
    46,565.55x = 1,076,035,415.04
  5. Step 5: Solve for x
    x = 1,076,035,415.04/46,565.55
  6. Step 6: Final answer
    x = 23,107.97

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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.