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Finding the Fourth Proportional to 29,045.60, 43,568.40 and 8,266.40

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Solution

The fourth proportional to 29,045.60, 43,568.40 and 8,266.40 is: 12,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.60 : 43,568.40 = 8,266.40 : x
  2. Step 2: Convert to fraction form
    29,045.60/43,568.40 = 8,266.40/x
  3. Step 3: Cross multiply
    29,045.60x = 43,568.40 × 8,266.40
  4. Step 4: Simplify right side
    29,045.60x = 360,153,821.76
  5. Step 5: Solve for x
    x = 360,153,821.76/29,045.60
  6. Step 6: Final answer
    x = 12,399.60

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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.