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Finding the Fourth Proportional to 65,013.34, 97,440.21 and 36,956.89

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Solution

The fourth proportional to 65,013.34, 97,440.21 and 36,956.89 is: 55,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,013.34 : 97,440.21 = 36,956.89 : x
  2. Step 2: Convert to fraction form
    65,013.34/97,440.21 = 36,956.89/x
  3. Step 3: Cross multiply
    65,013.34x = 97,440.21 × 36,956.89
  4. Step 4: Simplify right side
    65,013.34x = 3,601,087,122.55
  5. Step 5: Solve for x
    x = 3,601,087,122.55/65,013.34
  6. Step 6: Final answer
    x = 55,389.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.