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Finding the Fourth Proportional to 17,728.95, 26,612.87 and 7,347.99

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Solution

The fourth proportional to 17,728.95, 26,612.87 and 7,347.99 is: 11,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728.95 : 26,612.87 = 7,347.99 : x
  2. Step 2: Convert to fraction form
    17,728.95/26,612.87 = 7,347.99/x
  3. Step 3: Cross multiply
    17,728.95x = 26,612.87 × 7,347.99
  4. Step 4: Simplify right side
    17,728.95x = 195,551,102.63
  5. Step 5: Solve for x
    x = 195,551,102.63/17,728.95
  6. Step 6: Final answer
    x = 11,030.04

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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.