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Finding the Fourth Proportional to 37,480.64, 56,220.97 and 9,778.64

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Solution

The fourth proportional to 37,480.64, 56,220.97 and 9,778.64 is: 14,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,480.64 : 56,220.97 = 9,778.64 : x
  2. Step 2: Convert to fraction form
    37,480.64/56,220.97 = 9,778.64/x
  3. Step 3: Cross multiply
    37,480.64x = 56,220.97 × 9,778.64
  4. Step 4: Simplify right side
    37,480.64x = 549,764,655.11
  5. Step 5: Solve for x
    x = 549,764,655.11/37,480.64
  6. Step 6: Final answer
    x = 14,667.96

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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.