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Finding the Fourth Proportional to 64,310.42, 88,669.96 and 47,262.76

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Solution

The fourth proportional to 64,310.42, 88,669.96 and 47,262.76 is: 65,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,310.42 : 88,669.96 = 47,262.76 : x
  2. Step 2: Convert to fraction form
    64,310.42/88,669.96 = 47,262.76/x
  3. Step 3: Cross multiply
    64,310.42x = 88,669.96 × 47,262.76
  4. Step 4: Simplify right side
    64,310.42x = 4,190,787,038.69
  5. Step 5: Solve for x
    x = 4,190,787,038.69/64,310.42
  6. Step 6: Final answer
    x = 65,164.98

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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.