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Finding the Fourth Proportional to 55,248.84, 82,853.74 and 17,807.40

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Solution

The fourth proportional to 55,248.84, 82,853.74 and 17,807.40 is: 26,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.84 : 82,853.74 = 17,807.40 : x
  2. Step 2: Convert to fraction form
    55,248.84/82,853.74 = 17,807.40/x
  3. Step 3: Cross multiply
    55,248.84x = 82,853.74 × 17,807.40
  4. Step 4: Simplify right side
    55,248.84x = 1,475,409,689.68
  5. Step 5: Solve for x
    x = 1,475,409,689.68/55,248.84
  6. Step 6: Final answer
    x = 26,704.81

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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.