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Finding the Fourth Proportional to 52,473.60, 72,415.15 and 28,601.82

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Solution

The fourth proportional to 52,473.60, 72,415.15 and 28,601.82 is: 39,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,473.60 : 72,415.15 = 28,601.82 : x
  2. Step 2: Convert to fraction form
    52,473.60/72,415.15 = 28,601.82/x
  3. Step 3: Cross multiply
    52,473.60x = 72,415.15 × 28,601.82
  4. Step 4: Simplify right side
    52,473.60x = 2,071,205,014.07
  5. Step 5: Solve for x
    x = 2,071,205,014.07/52,473.60
  6. Step 6: Final answer
    x = 39,471.37

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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.