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Finding the Fourth Proportional to 64,462.62, 88,927.54 and 38,608.67

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Solution

The fourth proportional to 64,462.62, 88,927.54 and 38,608.67 is: 53,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.62 : 88,927.54 = 38,608.67 : x
  2. Step 2: Convert to fraction form
    64,462.62/88,927.54 = 38,608.67/x
  3. Step 3: Cross multiply
    64,462.62x = 88,927.54 × 38,608.67
  4. Step 4: Simplify right side
    64,462.62x = 3,433,373,671.35
  5. Step 5: Solve for x
    x = 3,433,373,671.35/64,462.62
  6. Step 6: Final answer
    x = 53,261.47

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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.