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Finding the Fourth Proportional to 35,773.30, 53,659.95 and 12,399.74

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Solution

The fourth proportional to 35,773.30, 53,659.95 and 12,399.74 is: 18,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,773.30 : 53,659.95 = 12,399.74 : x
  2. Step 2: Convert to fraction form
    35,773.30/53,659.95 = 12,399.74/x
  3. Step 3: Cross multiply
    35,773.30x = 53,659.95 × 12,399.74
  4. Step 4: Simplify right side
    35,773.30x = 665,369,160.11
  5. Step 5: Solve for x
    x = 665,369,160.11/35,773.30
  6. Step 6: Final answer
    x = 18,599.60

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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.