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Finding the Fourth Proportional to 64,011.70, 95,969.98 and 30,700.04

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Solution

The fourth proportional to 64,011.70, 95,969.98 and 30,700.04 is: 46,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,011.70 : 95,969.98 = 30,700.04 : x
  2. Step 2: Convert to fraction form
    64,011.70/95,969.98 = 30,700.04/x
  3. Step 3: Cross multiply
    64,011.70x = 95,969.98 × 30,700.04
  4. Step 4: Simplify right side
    64,011.70x = 2,946,282,071.30
  5. Step 5: Solve for x
    x = 2,946,282,071.30/64,011.70
  6. Step 6: Final answer
    x = 46,027.25

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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.