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Finding the Fourth Proportional to 17,708.70, 26,602.65 and 14,792.70

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Solution

The fourth proportional to 17,708.70, 26,602.65 and 14,792.70 is: 22,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.70 : 26,602.65 = 14,792.70 : x
  2. Step 2: Convert to fraction form
    17,708.70/26,602.65 = 14,792.70/x
  3. Step 3: Cross multiply
    17,708.70x = 26,602.65 × 14,792.70
  4. Step 4: Simplify right side
    17,708.70x = 393,525,020.66
  5. Step 5: Solve for x
    x = 393,525,020.66/17,708.70
  6. Step 6: Final answer
    x = 22,222.13

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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.