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Finding the Fourth Proportional to 55,404.60, 83,106.90 and 17,964.60

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Solution

The fourth proportional to 55,404.60, 83,106.90 and 17,964.60 is: 26,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404.60 : 83,106.90 = 17,964.60 : x
  2. Step 2: Convert to fraction form
    55,404.60/83,106.90 = 17,964.60/x
  3. Step 3: Cross multiply
    55,404.60x = 83,106.90 × 17,964.60
  4. Step 4: Simplify right side
    55,404.60x = 1,492,982,215.74
  5. Step 5: Solve for x
    x = 1,492,982,215.74/55,404.60
  6. Step 6: Final answer
    x = 26,946.90

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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.