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Finding the Fourth Proportional to 8,930.42, 12,323.03 and 4,950.48

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Solution

The fourth proportional to 8,930.42, 12,323.03 and 4,950.48 is: 6,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.42 : 12,323.03 = 4,950.48 : x
  2. Step 2: Convert to fraction form
    8,930.42/12,323.03 = 4,950.48/x
  3. Step 3: Cross multiply
    8,930.42x = 12,323.03 × 4,950.48
  4. Step 4: Simplify right side
    8,930.42x = 61,004,888.80
  5. Step 5: Solve for x
    x = 61,004,888.80/8,930.42
  6. Step 6: Final answer
    x = 6,831.14

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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.