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Finding the Fourth Proportional to 29,012.16, 43,512.48 and 8,230.08

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Solution

The fourth proportional to 29,012.16, 43,512.48 and 8,230.08 is: 12,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.16 : 43,512.48 = 8,230.08 : x
  2. Step 2: Convert to fraction form
    29,012.16/43,512.48 = 8,230.08/x
  3. Step 3: Cross multiply
    29,012.16x = 43,512.48 × 8,230.08
  4. Step 4: Simplify right side
    29,012.16x = 358,111,191.40
  5. Step 5: Solve for x
    x = 358,111,191.40/29,012.16
  6. Step 6: Final answer
    x = 12,343.49

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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.