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Finding the Fourth Proportional to 43,345.92, 65,059.20 and 17,068.80

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Solution

The fourth proportional to 43,345.92, 65,059.20 and 17,068.80 is: 25,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.92 : 65,059.20 = 17,068.80 : x
  2. Step 2: Convert to fraction form
    43,345.92/65,059.20 = 17,068.80/x
  3. Step 3: Cross multiply
    43,345.92x = 65,059.20 × 17,068.80
  4. Step 4: Simplify right side
    43,345.92x = 1,110,482,472.96
  5. Step 5: Solve for x
    x = 1,110,482,472.96/43,345.92
  6. Step 6: Final answer
    x = 25,619.08

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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.