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Finding the Fourth Proportional to 70,633.92, 97,483.44 and 40,825.92

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Solution

The fourth proportional to 70,633.92, 97,483.44 and 40,825.92 is: 56,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,633.92 : 97,483.44 = 40,825.92 : x
  2. Step 2: Convert to fraction form
    70,633.92/97,483.44 = 40,825.92/x
  3. Step 3: Cross multiply
    70,633.92x = 97,483.44 × 40,825.92
  4. Step 4: Simplify right side
    70,633.92x = 3,979,851,122.76
  5. Step 5: Solve for x
    x = 3,979,851,122.76/70,633.92
  6. Step 6: Final answer
    x = 56,344.76

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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.