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Finding the Fourth Proportional to 17,807.60, 26,713.80 and 6,124.40

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Solution

The fourth proportional to 17,807.60, 26,713.80 and 6,124.40 is: 9,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.60 : 26,713.80 = 6,124.40 : x
  2. Step 2: Convert to fraction form
    17,807.60/26,713.80 = 6,124.40/x
  3. Step 3: Cross multiply
    17,807.60x = 26,713.80 × 6,124.40
  4. Step 4: Simplify right side
    17,807.60x = 163,605,996.72
  5. Step 5: Solve for x
    x = 163,605,996.72/17,807.60
  6. Step 6: Final answer
    x = 9,187.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.