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Finding the Fourth Proportional to 17,328.64, 23,913.53 and 9,370.87

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Solution

The fourth proportional to 17,328.64, 23,913.53 and 9,370.87 is: 12,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.64 : 23,913.53 = 9,370.87 : x
  2. Step 2: Convert to fraction form
    17,328.64/23,913.53 = 9,370.87/x
  3. Step 3: Cross multiply
    17,328.64x = 23,913.53 × 9,370.87
  4. Step 4: Simplify right side
    17,328.64x = 224,090,414.45
  5. Step 5: Solve for x
    x = 224,090,414.45/17,328.64
  6. Step 6: Final answer
    x = 12,931.80

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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.