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Finding the Fourth Proportional to 8,739.72, 12,060.72 and 6,088.62

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Solution

The fourth proportional to 8,739.72, 12,060.72 and 6,088.62 is: 8,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.72 : 12,060.72 = 6,088.62 : x
  2. Step 2: Convert to fraction form
    8,739.72/12,060.72 = 6,088.62/x
  3. Step 3: Cross multiply
    8,739.72x = 12,060.72 × 6,088.62
  4. Step 4: Simplify right side
    8,739.72x = 73,433,141.01
  5. Step 5: Solve for x
    x = 73,433,141.01/8,739.72
  6. Step 6: Final answer
    x = 8,402.23

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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.