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Finding the Fourth Proportional to 43,259.62, 64,889.31 and 10,427.62

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Solution

The fourth proportional to 43,259.62, 64,889.31 and 10,427.62 is: 15,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.62 : 64,889.31 = 10,427.62 : x
  2. Step 2: Convert to fraction form
    43,259.62/64,889.31 = 10,427.62/x
  3. Step 3: Cross multiply
    43,259.62x = 64,889.31 × 10,427.62
  4. Step 4: Simplify right side
    43,259.62x = 676,641,066.74
  5. Step 5: Solve for x
    x = 676,641,066.74/43,259.62
  6. Step 6: Final answer
    x = 15,641.40

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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.