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Finding the Fourth Proportional to 44,000.78, 60,705.12 and 28,901.63

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Solution

The fourth proportional to 44,000.78, 60,705.12 and 28,901.63 is: 39,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,000.78 : 60,705.12 = 28,901.63 : x
  2. Step 2: Convert to fraction form
    44,000.78/60,705.12 = 28,901.63/x
  3. Step 3: Cross multiply
    44,000.78x = 60,705.12 × 28,901.63
  4. Step 4: Simplify right side
    44,000.78x = 1,754,476,917.35
  5. Step 5: Solve for x
    x = 1,754,476,917.35/44,000.78
  6. Step 6: Final answer
    x = 39,873.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.