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Finding the Fourth Proportional to 29,423.40, 44,135.10 and 28,840.20

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Solution

The fourth proportional to 29,423.40, 44,135.10 and 28,840.20 is: 43,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.40 : 44,135.10 = 28,840.20 : x
  2. Step 2: Convert to fraction form
    29,423.40/44,135.10 = 28,840.20/x
  3. Step 3: Cross multiply
    29,423.40x = 44,135.10 × 28,840.20
  4. Step 4: Simplify right side
    29,423.40x = 1,272,865,111.02
  5. Step 5: Solve for x
    x = 1,272,865,111.02/29,423.40
  6. Step 6: Final answer
    x = 43,260.30

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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.