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Finding the Fourth Proportional to 43,602.68, 65,366.40 and 19,568.72

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Solution

The fourth proportional to 43,602.68, 65,366.40 and 19,568.72 is: 29,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,602.68 : 65,366.40 = 19,568.72 : x
  2. Step 2: Convert to fraction form
    43,602.68/65,366.40 = 19,568.72/x
  3. Step 3: Cross multiply
    43,602.68x = 65,366.40 × 19,568.72
  4. Step 4: Simplify right side
    43,602.68x = 1,279,136,779.01
  5. Step 5: Solve for x
    x = 1,279,136,779.01/43,602.68
  6. Step 6: Final answer
    x = 29,336.20

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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.