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Finding the Fourth Proportional to 31,989.05, 44,726.35 and 31,989.05

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Solution

The fourth proportional to 31,989.05, 44,726.35 and 31,989.05 is: 44,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.05 : 44,726.35 = 31,989.05 : x
  2. Step 2: Convert to fraction form
    31,989.05/44,726.35 = 31,989.05/x
  3. Step 3: Cross multiply
    31,989.05x = 44,726.35 × 31,989.05
  4. Step 4: Simplify right side
    31,989.05x = 1,430,753,446.47
  5. Step 5: Solve for x
    x = 1,430,753,446.47/31,989.05
  6. Step 6: Final answer
    x = 44,726.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.