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Finding the Fourth Proportional to 65,695.24, 90,666.68 and 37,396.36

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Solution

The fourth proportional to 65,695.24, 90,666.68 and 37,396.36 is: 51,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,695.24 : 90,666.68 = 37,396.36 : x
  2. Step 2: Convert to fraction form
    65,695.24/90,666.68 = 37,396.36/x
  3. Step 3: Cross multiply
    65,695.24x = 90,666.68 × 37,396.36
  4. Step 4: Simplify right side
    65,695.24x = 3,390,603,805.28
  5. Step 5: Solve for x
    x = 3,390,603,805.28/65,695.24
  6. Step 6: Final answer
    x = 51,611.10

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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.