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Finding the Fourth Proportional to 28,370.70, 42,556.05 and 24,914.70

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Solution

The fourth proportional to 28,370.70, 42,556.05 and 24,914.70 is: 37,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.70 : 42,556.05 = 24,914.70 : x
  2. Step 2: Convert to fraction form
    28,370.70/42,556.05 = 24,914.70/x
  3. Step 3: Cross multiply
    28,370.70x = 42,556.05 × 24,914.70
  4. Step 4: Simplify right side
    28,370.70x = 1,060,271,218.94
  5. Step 5: Solve for x
    x = 1,060,271,218.94/28,370.70
  6. Step 6: Final answer
    x = 37,372.05

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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.