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Finding the Fourth Proportional to 65,019.66, 89,727.23 and 35,211.66

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Solution

The fourth proportional to 65,019.66, 89,727.23 and 35,211.66 is: 48,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,019.66 : 89,727.23 = 35,211.66 : x
  2. Step 2: Convert to fraction form
    65,019.66/89,727.23 = 35,211.66/x
  3. Step 3: Cross multiply
    65,019.66x = 89,727.23 × 35,211.66
  4. Step 4: Simplify right side
    65,019.66x = 3,159,444,467.05
  5. Step 5: Solve for x
    x = 3,159,444,467.05/65,019.66
  6. Step 6: Final answer
    x = 48,592.14

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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.