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Finding the Fourth Proportional to 66,708.31, 92,058.20 and 36,492.99

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Solution

The fourth proportional to 66,708.31, 92,058.20 and 36,492.99 is: 50,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.31 : 92,058.20 = 36,492.99 : x
  2. Step 2: Convert to fraction form
    66,708.31/92,058.20 = 36,492.99/x
  3. Step 3: Cross multiply
    66,708.31x = 92,058.20 × 36,492.99
  4. Step 4: Simplify right side
    66,708.31x = 3,359,478,972.02
  5. Step 5: Solve for x
    x = 3,359,478,972.02/66,708.31
  6. Step 6: Final answer
    x = 50,360.73

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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.