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Finding the Fourth Proportional to 67,270.48, 92,736.28 and 47,064.76

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Solution

The fourth proportional to 67,270.48, 92,736.28 and 47,064.76 is: 64,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,270.48 : 92,736.28 = 47,064.76 : x
  2. Step 2: Convert to fraction form
    67,270.48/92,736.28 = 47,064.76/x
  3. Step 3: Cross multiply
    67,270.48x = 92,736.28 × 47,064.76
  4. Step 4: Simplify right side
    67,270.48x = 4,364,610,761.49
  5. Step 5: Solve for x
    x = 4,364,610,761.49/67,270.48
  6. Step 6: Final answer
    x = 64,881.52

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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.