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Finding the Fourth Proportional to 66,337.60, 99,373.02 and 32,956.60

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Solution

The fourth proportional to 66,337.60, 99,373.02 and 32,956.60 is: 49,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.60 : 99,373.02 = 32,956.60 : x
  2. Step 2: Convert to fraction form
    66,337.60/99,373.02 = 32,956.60/x
  3. Step 3: Cross multiply
    66,337.60x = 99,373.02 × 32,956.60
  4. Step 4: Simplify right side
    66,337.60x = 3,274,996,870.93
  5. Step 5: Solve for x
    x = 3,274,996,870.93/66,337.60
  6. Step 6: Final answer
    x = 49,368.64

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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.