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Finding the Fourth Proportional to 12,606.60, 17,400.10 and 7,304.32

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Solution

The fourth proportional to 12,606.60, 17,400.10 and 7,304.32 is: 10,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.60 : 17,400.10 = 7,304.32 : x
  2. Step 2: Convert to fraction form
    12,606.60/17,400.10 = 7,304.32/x
  3. Step 3: Cross multiply
    12,606.60x = 17,400.10 × 7,304.32
  4. Step 4: Simplify right side
    12,606.60x = 127,095,898.43
  5. Step 5: Solve for x
    x = 127,095,898.43/12,606.60
  6. Step 6: Final answer
    x = 10,081.70

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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.