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Finding the Fourth Proportional to 17,280.21, 23,846.76 and 10,207.11

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Solution

The fourth proportional to 17,280.21, 23,846.76 and 10,207.11 is: 14,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.21 : 23,846.76 = 10,207.11 : x
  2. Step 2: Convert to fraction form
    17,280.21/23,846.76 = 10,207.11/x
  3. Step 3: Cross multiply
    17,280.21x = 23,846.76 × 10,207.11
  4. Step 4: Simplify right side
    17,280.21x = 243,406,502.46
  5. Step 5: Solve for x
    x = 243,406,502.46/17,280.21
  6. Step 6: Final answer
    x = 14,085.85

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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.