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Finding the Fourth Proportional to 17,342.15, 23,931.99 and 9,384.20

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Solution

The fourth proportional to 17,342.15, 23,931.99 and 9,384.20 is: 12,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,342.15 : 23,931.99 = 9,384.20 : x
  2. Step 2: Convert to fraction form
    17,342.15/23,931.99 = 9,384.20/x
  3. Step 3: Cross multiply
    17,342.15x = 23,931.99 × 9,384.20
  4. Step 4: Simplify right side
    17,342.15x = 224,582,460.90
  5. Step 5: Solve for x
    x = 224,582,460.90/17,342.15
  6. Step 6: Final answer
    x = 12,950.10

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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.