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Finding the Fourth Proportional to 29,868.40, 44,802.60 and 28,556.20

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Solution

The fourth proportional to 29,868.40, 44,802.60 and 28,556.20 is: 42,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.40 : 44,802.60 = 28,556.20 : x
  2. Step 2: Convert to fraction form
    29,868.40/44,802.60 = 28,556.20/x
  3. Step 3: Cross multiply
    29,868.40x = 44,802.60 × 28,556.20
  4. Step 4: Simplify right side
    29,868.40x = 1,279,392,006.12
  5. Step 5: Solve for x
    x = 1,279,392,006.12/29,868.40
  6. Step 6: Final answer
    x = 42,834.30

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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.