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Finding the Fourth Proportional to 64,423.04, 96,662.38 and 34,861.74

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Solution

The fourth proportional to 64,423.04, 96,662.38 and 34,861.74 is: 52,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,423.04 : 96,662.38 = 34,861.74 : x
  2. Step 2: Convert to fraction form
    64,423.04/96,662.38 = 34,861.74/x
  3. Step 3: Cross multiply
    64,423.04x = 96,662.38 × 34,861.74
  4. Step 4: Simplify right side
    64,423.04x = 3,369,818,759.34
  5. Step 5: Solve for x
    x = 3,369,818,759.34/64,423.04
  6. Step 6: Final answer
    x = 52,307.66

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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.