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Finding the Fourth Proportional to 65,240.64, 97,860.56 and 18,493.52

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Solution

The fourth proportional to 65,240.64, 97,860.56 and 18,493.52 is: 27,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.64 : 97,860.56 = 18,493.52 : x
  2. Step 2: Convert to fraction form
    65,240.64/97,860.56 = 18,493.52/x
  3. Step 3: Cross multiply
    65,240.64x = 97,860.56 × 18,493.52
  4. Step 4: Simplify right side
    65,240.64x = 1,809,785,641.80
  5. Step 5: Solve for x
    x = 1,809,785,641.80/65,240.64
  6. Step 6: Final answer
    x = 27,740.16

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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.