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Finding the Fourth Proportional to 5,802.09, 8,703.18 and 1,906.50

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Solution

The fourth proportional to 5,802.09, 8,703.18 and 1,906.50 is: 2,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.09 : 8,703.18 = 1,906.50 : x
  2. Step 2: Convert to fraction form
    5,802.09/8,703.18 = 1,906.50/x
  3. Step 3: Cross multiply
    5,802.09x = 8,703.18 × 1,906.50
  4. Step 4: Simplify right side
    5,802.09x = 16,592,612.67
  5. Step 5: Solve for x
    x = 16,592,612.67/5,802.09
  6. Step 6: Final answer
    x = 2,859.76

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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.