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Finding the Fourth Proportional to 36,906.01, 55,352.12 and 9,888.67

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Solution

The fourth proportional to 36,906.01, 55,352.12 and 9,888.67 is: 14,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.01 : 55,352.12 = 9,888.67 : x
  2. Step 2: Convert to fraction form
    36,906.01/55,352.12 = 9,888.67/x
  3. Step 3: Cross multiply
    36,906.01x = 55,352.12 × 9,888.67
  4. Step 4: Simplify right side
    36,906.01x = 547,358,522.28
  5. Step 5: Solve for x
    x = 547,358,522.28/36,906.01
  6. Step 6: Final answer
    x = 14,831.15

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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.