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Finding the Fourth Proportional to 52,754.28, 72,802.18 and 28,880.88

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Solution

The fourth proportional to 52,754.28, 72,802.18 and 28,880.88 is: 39,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.28 : 72,802.18 = 28,880.88 : x
  2. Step 2: Convert to fraction form
    52,754.28/72,802.18 = 28,880.88/x
  3. Step 3: Cross multiply
    52,754.28x = 72,802.18 × 28,880.88
  4. Step 4: Simplify right side
    52,754.28x = 2,102,591,024.32
  5. Step 5: Solve for x
    x = 2,102,591,024.32/52,754.28
  6. Step 6: Final answer
    x = 39,856.31

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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.