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Finding the Fourth Proportional to 17,420.70, 26,123.49 and 6,323.70

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Solution

The fourth proportional to 17,420.70, 26,123.49 and 6,323.70 is: 9,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.70 : 26,123.49 = 6,323.70 : x
  2. Step 2: Convert to fraction form
    17,420.70/26,123.49 = 6,323.70/x
  3. Step 3: Cross multiply
    17,420.70x = 26,123.49 × 6,323.70
  4. Step 4: Simplify right side
    17,420.70x = 165,197,113.71
  5. Step 5: Solve for x
    x = 165,197,113.71/17,420.70
  6. Step 6: Final answer
    x = 9,482.81

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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.