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Finding the Fourth Proportional to 50,901.47, 70,241.95 and 28,241.45

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Solution

The fourth proportional to 50,901.47, 70,241.95 and 28,241.45 is: 38,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.47 : 70,241.95 = 28,241.45 : x
  2. Step 2: Convert to fraction form
    50,901.47/70,241.95 = 28,241.45/x
  3. Step 3: Cross multiply
    50,901.47x = 70,241.95 × 28,241.45
  4. Step 4: Simplify right side
    50,901.47x = 1,983,734,518.83
  5. Step 5: Solve for x
    x = 1,983,734,518.83/50,901.47
  6. Step 6: Final answer
    x = 38,972.05

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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.