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Finding the Fourth Proportional to 66,254.51, 91,433.66 and 37,965.66

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Solution

The fourth proportional to 66,254.51, 91,433.66 and 37,965.66 is: 52,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,254.51 : 91,433.66 = 37,965.66 : x
  2. Step 2: Convert to fraction form
    66,254.51/91,433.66 = 37,965.66/x
  3. Step 3: Cross multiply
    66,254.51x = 91,433.66 × 37,965.66
  4. Step 4: Simplify right side
    66,254.51x = 3,471,339,058.29
  5. Step 5: Solve for x
    x = 3,471,339,058.29/66,254.51
  6. Step 6: Final answer
    x = 52,394.01

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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.