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Finding the Fourth Proportional to 17,490.84, 26,239.92 and 9,683.28

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Solution

The fourth proportional to 17,490.84, 26,239.92 and 9,683.28 is: 14,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.84 : 26,239.92 = 9,683.28 : x
  2. Step 2: Convert to fraction form
    17,490.84/26,239.92 = 9,683.28/x
  3. Step 3: Cross multiply
    17,490.84x = 26,239.92 × 9,683.28
  4. Step 4: Simplify right side
    17,490.84x = 254,088,492.54
  5. Step 5: Solve for x
    x = 254,088,492.54/17,490.84
  6. Step 6: Final answer
    x = 14,526.95

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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.