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Finding the Fourth Proportional to 61,550.64, 84,921 and 37,652.40

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Solution

The fourth proportional to 61,550.64, 84,921 and 37,652.40 is: 51,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,550.64 : 84,921 = 37,652.40 : x
  2. Step 2: Convert to fraction form
    61,550.64/84,921 = 37,652.40/x
  3. Step 3: Cross multiply
    61,550.64x = 84,921 × 37,652.40
  4. Step 4: Simplify right side
    61,550.64x = 3,197,479,460.40
  5. Step 5: Solve for x
    x = 3,197,479,460.40/61,550.64
  6. Step 6: Final answer
    x = 51,948.76

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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.