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Finding the Fourth Proportional to 35,319.76, 48,741.60 and 19,404.54

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Solution

The fourth proportional to 35,319.76, 48,741.60 and 19,404.54 is: 26,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.76 : 48,741.60 = 19,404.54 : x
  2. Step 2: Convert to fraction form
    35,319.76/48,741.60 = 19,404.54/x
  3. Step 3: Cross multiply
    35,319.76x = 48,741.60 × 19,404.54
  4. Step 4: Simplify right side
    35,319.76x = 945,808,326.86
  5. Step 5: Solve for x
    x = 945,808,326.86/35,319.76
  6. Step 6: Final answer
    x = 26,778.45

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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.