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Finding the Fourth Proportional to 39,996.39, 59,994.59 and 15,355.11

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Solution

The fourth proportional to 39,996.39, 59,994.59 and 15,355.11 is: 23,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.39 : 59,994.59 = 15,355.11 : x
  2. Step 2: Convert to fraction form
    39,996.39/59,994.59 = 15,355.11/x
  3. Step 3: Cross multiply
    39,996.39x = 59,994.59 × 15,355.11
  4. Step 4: Simplify right side
    39,996.39x = 921,223,452.08
  5. Step 5: Solve for x
    x = 921,223,452.08/39,996.39
  6. Step 6: Final answer
    x = 23,032.67

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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.