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Finding the Fourth Proportional to 65,001.33, 89,700.74 and 36,321.46

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Solution

The fourth proportional to 65,001.33, 89,700.74 and 36,321.46 is: 50,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.33 : 89,700.74 = 36,321.46 : x
  2. Step 2: Convert to fraction form
    65,001.33/89,700.74 = 36,321.46/x
  3. Step 3: Cross multiply
    65,001.33x = 89,700.74 × 36,321.46
  4. Step 4: Simplify right side
    65,001.33x = 3,258,061,434.02
  5. Step 5: Solve for x
    x = 3,258,061,434.02/65,001.33
  6. Step 6: Final answer
    x = 50,123.00

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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.