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Finding the Fourth Proportional to 50,041.61, 69,047.19 and 28,815.29

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Solution

The fourth proportional to 50,041.61, 69,047.19 and 28,815.29 is: 39,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,041.61 : 69,047.19 = 28,815.29 : x
  2. Step 2: Convert to fraction form
    50,041.61/69,047.19 = 28,815.29/x
  3. Step 3: Cross multiply
    50,041.61x = 69,047.19 × 28,815.29
  4. Step 4: Simplify right side
    50,041.61x = 1,989,614,803.54
  5. Step 5: Solve for x
    x = 1,989,614,803.54/50,041.61
  6. Step 6: Final answer
    x = 39,759.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.