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Finding the Fourth Proportional to 56,282.40, 84,411.04 and 16,834.40

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Solution

The fourth proportional to 56,282.40, 84,411.04 and 16,834.40 is: 25,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,282.40 : 84,411.04 = 16,834.40 : x
  2. Step 2: Convert to fraction form
    56,282.40/84,411.04 = 16,834.40/x
  3. Step 3: Cross multiply
    56,282.40x = 84,411.04 × 16,834.40
  4. Step 4: Simplify right side
    56,282.40x = 1,421,009,211.78
  5. Step 5: Solve for x
    x = 1,421,009,211.78/56,282.40
  6. Step 6: Final answer
    x = 25,247.84

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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.