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Finding the Fourth Proportional to 56,298.40, 84,447.60 and 14,749.60

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Solution

The fourth proportional to 56,298.40, 84,447.60 and 14,749.60 is: 22,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,298.40 : 84,447.60 = 14,749.60 : x
  2. Step 2: Convert to fraction form
    56,298.40/84,447.60 = 14,749.60/x
  3. Step 3: Cross multiply
    56,298.40x = 84,447.60 × 14,749.60
  4. Step 4: Simplify right side
    56,298.40x = 1,245,568,320.96
  5. Step 5: Solve for x
    x = 1,245,568,320.96/56,298.40
  6. Step 6: Final answer
    x = 22,124.40

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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.