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Finding the Fourth Proportional to 12,232.40, 17,148.40 and 12,232.40

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Solution

The fourth proportional to 12,232.40, 17,148.40 and 12,232.40 is: 17,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.40 : 17,148.40 = 12,232.40 : x
  2. Step 2: Convert to fraction form
    12,232.40/17,148.40 = 12,232.40/x
  3. Step 3: Cross multiply
    12,232.40x = 17,148.40 × 12,232.40
  4. Step 4: Simplify right side
    12,232.40x = 209,766,088.16
  5. Step 5: Solve for x
    x = 209,766,088.16/12,232.40
  6. Step 6: Final answer
    x = 17,148.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.