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Finding the Fourth Proportional to 64,353.84, 88,778.28 and 40,493.67

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Solution

The fourth proportional to 64,353.84, 88,778.28 and 40,493.67 is: 55,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,353.84 : 88,778.28 = 40,493.67 : x
  2. Step 2: Convert to fraction form
    64,353.84/88,778.28 = 40,493.67/x
  3. Step 3: Cross multiply
    64,353.84x = 88,778.28 × 40,493.67
  4. Step 4: Simplify right side
    64,353.84x = 3,594,958,373.49
  5. Step 5: Solve for x
    x = 3,594,958,373.49/64,353.84
  6. Step 6: Final answer
    x = 55,862.38

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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.