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Finding the Fourth Proportional to 5,888.99, 8,831.61 and 1,992.48

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Solution

The fourth proportional to 5,888.99, 8,831.61 and 1,992.48 is: 2,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.99 : 8,831.61 = 1,992.48 : x
  2. Step 2: Convert to fraction form
    5,888.99/8,831.61 = 1,992.48/x
  3. Step 3: Cross multiply
    5,888.99x = 8,831.61 × 1,992.48
  4. Step 4: Simplify right side
    5,888.99x = 17,596,806.29
  5. Step 5: Solve for x
    x = 17,596,806.29/5,888.99
  6. Step 6: Final answer
    x = 2,988.09

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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.