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Finding the Fourth Proportional to 48,022.80, 72,055.80 and 16,880.40

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Solution

The fourth proportional to 48,022.80, 72,055.80 and 16,880.40 is: 25,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,022.80 : 72,055.80 = 16,880.40 : x
  2. Step 2: Convert to fraction form
    48,022.80/72,055.80 = 16,880.40/x
  3. Step 3: Cross multiply
    48,022.80x = 72,055.80 × 16,880.40
  4. Step 4: Simplify right side
    48,022.80x = 1,216,330,726.32
  5. Step 5: Solve for x
    x = 1,216,330,726.32/48,022.80
  6. Step 6: Final answer
    x = 25,328.19

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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.