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Finding the Fourth Proportional to 65,257.60, 90,055.49 and 36,963.29

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Solution

The fourth proportional to 65,257.60, 90,055.49 and 36,963.29 is: 51,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,257.60 : 90,055.49 = 36,963.29 : x
  2. Step 2: Convert to fraction form
    65,257.60/90,055.49 = 36,963.29/x
  3. Step 3: Cross multiply
    65,257.60x = 90,055.49 × 36,963.29
  4. Step 4: Simplify right side
    65,257.60x = 3,328,746,895.58
  5. Step 5: Solve for x
    x = 3,328,746,895.58/65,257.60
  6. Step 6: Final answer
    x = 51,009.34

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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.