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Finding the Fourth Proportional to 16,759.62, 23,128.23 and 9,686.01

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Solution

The fourth proportional to 16,759.62, 23,128.23 and 9,686.01 is: 13,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.62 : 23,128.23 = 9,686.01 : x
  2. Step 2: Convert to fraction form
    16,759.62/23,128.23 = 9,686.01/x
  3. Step 3: Cross multiply
    16,759.62x = 23,128.23 × 9,686.01
  4. Step 4: Simplify right side
    16,759.62x = 224,020,267.06
  5. Step 5: Solve for x
    x = 224,020,267.06/16,759.62
  6. Step 6: Final answer
    x = 13,366.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.