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Finding the Fourth Proportional to 55,807.54, 76,961.55 and 36,653.61

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Solution

The fourth proportional to 55,807.54, 76,961.55 and 36,653.61 is: 50,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.54 : 76,961.55 = 36,653.61 : x
  2. Step 2: Convert to fraction form
    55,807.54/76,961.55 = 36,653.61/x
  3. Step 3: Cross multiply
    55,807.54x = 76,961.55 × 36,653.61
  4. Step 4: Simplify right side
    55,807.54x = 2,820,918,638.70
  5. Step 5: Solve for x
    x = 2,820,918,638.70/55,807.54
  6. Step 6: Final answer
    x = 50,547.27

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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.