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Finding the Fourth Proportional to 55,395.72, 76,407.30 and 37,482.84

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Solution

The fourth proportional to 55,395.72, 76,407.30 and 37,482.84 is: 51,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395.72 : 76,407.30 = 37,482.84 : x
  2. Step 2: Convert to fraction form
    55,395.72/76,407.30 = 37,482.84/x
  3. Step 3: Cross multiply
    55,395.72x = 76,407.30 × 37,482.84
  4. Step 4: Simplify right side
    55,395.72x = 2,863,962,600.73
  5. Step 5: Solve for x
    x = 2,863,962,600.73/55,395.72
  6. Step 6: Final answer
    x = 51,700.07

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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.