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Finding the Fourth Proportional to 56,496.40, 84,809.40 and 34,334.80

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Solution

The fourth proportional to 56,496.40, 84,809.40 and 34,334.80 is: 51,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.40 : 84,809.40 = 34,334.80 : x
  2. Step 2: Convert to fraction form
    56,496.40/84,809.40 = 34,334.80/x
  3. Step 3: Cross multiply
    56,496.40x = 84,809.40 × 34,334.80
  4. Step 4: Simplify right side
    56,496.40x = 2,911,913,787.12
  5. Step 5: Solve for x
    x = 2,911,913,787.12/56,496.40
  6. Step 6: Final answer
    x = 51,541.58

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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.