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Finding the Fourth Proportional to 26,339, 39,525.68 and 9,699.20

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Solution

The fourth proportional to 26,339, 39,525.68 and 9,699.20 is: 14,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339 : 39,525.68 = 9,699.20 : x
  2. Step 2: Convert to fraction form
    26,339/39,525.68 = 9,699.20/x
  3. Step 3: Cross multiply
    26,339x = 39,525.68 × 9,699.20
  4. Step 4: Simplify right side
    26,339x = 383,367,475.46
  5. Step 5: Solve for x
    x = 383,367,475.46/26,339
  6. Step 6: Final answer
    x = 14,555.13

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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.