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Finding the Fourth Proportional to 65,222.58, 90,009.30 and 36,927.66

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Solution

The fourth proportional to 65,222.58, 90,009.30 and 36,927.66 is: 50,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.58 : 90,009.30 = 36,927.66 : x
  2. Step 2: Convert to fraction form
    65,222.58/90,009.30 = 36,927.66/x
  3. Step 3: Cross multiply
    65,222.58x = 90,009.30 × 36,927.66
  4. Step 4: Simplify right side
    65,222.58x = 3,323,832,827.24
  5. Step 5: Solve for x
    x = 3,323,832,827.24/65,222.58
  6. Step 6: Final answer
    x = 50,961.38

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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.