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Finding the Fourth Proportional to 65,304.66, 90,140.94 and 37,029.18

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Solution

The fourth proportional to 65,304.66, 90,140.94 and 37,029.18 is: 51,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,304.66 : 90,140.94 = 37,029.18 : x
  2. Step 2: Convert to fraction form
    65,304.66/90,140.94 = 37,029.18/x
  3. Step 3: Cross multiply
    65,304.66x = 90,140.94 × 37,029.18
  4. Step 4: Simplify right side
    65,304.66x = 3,337,845,092.63
  5. Step 5: Solve for x
    x = 3,337,845,092.63/65,304.66
  6. Step 6: Final answer
    x = 51,111.90

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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.