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Finding the Fourth Proportional to 55,946.70, 83,920.05 and 47,089.35

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Solution

The fourth proportional to 55,946.70, 83,920.05 and 47,089.35 is: 70,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,946.70 : 83,920.05 = 47,089.35 : x
  2. Step 2: Convert to fraction form
    55,946.70/83,920.05 = 47,089.35/x
  3. Step 3: Cross multiply
    55,946.70x = 83,920.05 × 47,089.35
  4. Step 4: Simplify right side
    55,946.70x = 3,951,740,606.47
  5. Step 5: Solve for x
    x = 3,951,740,606.47/55,946.70
  6. Step 6: Final answer
    x = 70,634.03

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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.