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Finding the Fourth Proportional to 60,011.64, 90,017.41 and 17,890.65

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Solution

The fourth proportional to 60,011.64, 90,017.41 and 17,890.65 is: 26,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.64 : 90,017.41 = 17,890.65 : x
  2. Step 2: Convert to fraction form
    60,011.64/90,017.41 = 17,890.65/x
  3. Step 3: Cross multiply
    60,011.64x = 90,017.41 × 17,890.65
  4. Step 4: Simplify right side
    60,011.64x = 1,610,469,976.22
  5. Step 5: Solve for x
    x = 1,610,469,976.22/60,011.64
  6. Step 6: Final answer
    x = 26,835.96

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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.