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Finding the Fourth Proportional to 65,267.40, 89,983.30 and 47,102.92

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Solution

The fourth proportional to 65,267.40, 89,983.30 and 47,102.92 is: 64,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,267.40 : 89,983.30 = 47,102.92 : x
  2. Step 2: Convert to fraction form
    65,267.40/89,983.30 = 47,102.92/x
  3. Step 3: Cross multiply
    65,267.40x = 89,983.30 × 47,102.92
  4. Step 4: Simplify right side
    65,267.40x = 4,238,476,181.24
  5. Step 5: Solve for x
    x = 4,238,476,181.24/65,267.40
  6. Step 6: Final answer
    x = 64,940.17

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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.