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Finding the Fourth Proportional to 55,267.40, 82,901.10 and 13,714.40

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Solution

The fourth proportional to 55,267.40, 82,901.10 and 13,714.40 is: 20,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,267.40 : 82,901.10 = 13,714.40 : x
  2. Step 2: Convert to fraction form
    55,267.40/82,901.10 = 13,714.40/x
  3. Step 3: Cross multiply
    55,267.40x = 82,901.10 × 13,714.40
  4. Step 4: Simplify right side
    55,267.40x = 1,136,938,845.84
  5. Step 5: Solve for x
    x = 1,136,938,845.84/55,267.40
  6. Step 6: Final answer
    x = 20,571.60

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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.