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Finding the Fourth Proportional to 17,341.85, 23,931.71 and 9,384.21

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Solution

The fourth proportional to 17,341.85, 23,931.71 and 9,384.21 is: 12,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,341.85 : 23,931.71 = 9,384.21 : x
  2. Step 2: Convert to fraction form
    17,341.85/23,931.71 = 9,384.21/x
  3. Step 3: Cross multiply
    17,341.85x = 23,931.71 × 9,384.21
  4. Step 4: Simplify right side
    17,341.85x = 224,580,145.38
  5. Step 5: Solve for x
    x = 224,580,145.38/17,341.85
  6. Step 6: Final answer
    x = 12,950.18

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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.