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Finding the Fourth Proportional to 65,261.31, 90,060.62 and 36,966.98

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Solution

The fourth proportional to 65,261.31, 90,060.62 and 36,966.98 is: 51,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.31 : 90,060.62 = 36,966.98 : x
  2. Step 2: Convert to fraction form
    65,261.31/90,060.62 = 36,966.98/x
  3. Step 3: Cross multiply
    65,261.31x = 90,060.62 × 36,966.98
  4. Step 4: Simplify right side
    65,261.31x = 3,329,268,503.19
  5. Step 5: Solve for x
    x = 3,329,268,503.19/65,261.31
  6. Step 6: Final answer
    x = 51,014.43

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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.