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Finding the Fourth Proportional to 56,384.40, 84,357.90 and 36,701.40

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Solution

The fourth proportional to 56,384.40, 84,357.90 and 36,701.40 is: 54,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.40 : 84,357.90 = 36,701.40 : x
  2. Step 2: Convert to fraction form
    56,384.40/84,357.90 = 36,701.40/x
  3. Step 3: Cross multiply
    56,384.40x = 84,357.90 × 36,701.40
  4. Step 4: Simplify right side
    56,384.40x = 3,096,053,031.06
  5. Step 5: Solve for x
    x = 3,096,053,031.06/56,384.40
  6. Step 6: Final answer
    x = 54,909.75

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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.