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Finding the Fourth Proportional to 66,738.99, 92,110.16 and 38,058.71

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Solution

The fourth proportional to 66,738.99, 92,110.16 and 38,058.71 is: 52,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,738.99 : 92,110.16 = 38,058.71 : x
  2. Step 2: Convert to fraction form
    66,738.99/92,110.16 = 38,058.71/x
  3. Step 3: Cross multiply
    66,738.99x = 92,110.16 × 38,058.71
  4. Step 4: Simplify right side
    66,738.99x = 3,505,594,020.21
  5. Step 5: Solve for x
    x = 3,505,594,020.21/66,738.99
  6. Step 6: Final answer
    x = 52,526.93

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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.