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Finding the Fourth Proportional to 5,403.48, 7,459.74 and 3,733.86

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Solution

The fourth proportional to 5,403.48, 7,459.74 and 3,733.86 is: 5,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.48 : 7,459.74 = 3,733.86 : x
  2. Step 2: Convert to fraction form
    5,403.48/7,459.74 = 3,733.86/x
  3. Step 3: Cross multiply
    5,403.48x = 7,459.74 × 3,733.86
  4. Step 4: Simplify right side
    5,403.48x = 27,853,652.77
  5. Step 5: Solve for x
    x = 27,853,652.77/5,403.48
  6. Step 6: Final answer
    x = 5,154.77

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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.