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Finding the Fourth Proportional to 65,015.68, 97,525.44 and 45,005.44

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Solution

The fourth proportional to 65,015.68, 97,525.44 and 45,005.44 is: 67,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.68 : 97,525.44 = 45,005.44 : x
  2. Step 2: Convert to fraction form
    65,015.68/97,525.44 = 45,005.44/x
  3. Step 3: Cross multiply
    65,015.68x = 97,525.44 × 45,005.44
  4. Step 4: Simplify right side
    65,015.68x = 4,389,175,338.39
  5. Step 5: Solve for x
    x = 4,389,175,338.39/65,015.68
  6. Step 6: Final answer
    x = 67,509.49

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1.5x scale

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.