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Finding the Fourth Proportional to 18,750.02, 28,124.28 and 4,710.15

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Solution

The fourth proportional to 18,750.02, 28,124.28 and 4,710.15 is: 7,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.02 : 28,124.28 = 4,710.15 : x
  2. Step 2: Convert to fraction form
    18,750.02/28,124.28 = 4,710.15/x
  3. Step 3: Cross multiply
    18,750.02x = 28,124.28 × 4,710.15
  4. Step 4: Simplify right side
    18,750.02x = 132,469,577.44
  5. Step 5: Solve for x
    x = 132,469,577.44/18,750.02
  6. Step 6: Final answer
    x = 7,065.04

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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.