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Finding the Fourth Proportional to 28,395.96, 42,595.15 and 10,624.96

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Solution

The fourth proportional to 28,395.96, 42,595.15 and 10,624.96 is: 15,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.96 : 42,595.15 = 10,624.96 : x
  2. Step 2: Convert to fraction form
    28,395.96/42,595.15 = 10,624.96/x
  3. Step 3: Cross multiply
    28,395.96x = 42,595.15 × 10,624.96
  4. Step 4: Simplify right side
    28,395.96x = 452,571,764.94
  5. Step 5: Solve for x
    x = 452,571,764.94/28,395.96
  6. Step 6: Final answer
    x = 15,937.89

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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.