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Finding the Fourth Proportional to 17,750.60, 26,630.76 and 14,065.16

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Solution

The fourth proportional to 17,750.60, 26,630.76 and 14,065.16 is: 21,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,750.60 : 26,630.76 = 14,065.16 : x
  2. Step 2: Convert to fraction form
    17,750.60/26,630.76 = 14,065.16/x
  3. Step 3: Cross multiply
    17,750.60x = 26,630.76 × 14,065.16
  4. Step 4: Simplify right side
    17,750.60x = 374,565,900.32
  5. Step 5: Solve for x
    x = 374,565,900.32/17,750.60
  6. Step 6: Final answer
    x = 21,101.59

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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.