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Finding the Fourth Proportional to 52,970.87, 79,489.79 and 29,612.63

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Solution

The fourth proportional to 52,970.87, 79,489.79 and 29,612.63 is: 44,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,970.87 : 79,489.79 = 29,612.63 : x
  2. Step 2: Convert to fraction form
    52,970.87/79,489.79 = 29,612.63/x
  3. Step 3: Cross multiply
    52,970.87x = 79,489.79 × 29,612.63
  4. Step 4: Simplify right side
    52,970.87x = 2,353,901,740.05
  5. Step 5: Solve for x
    x = 2,353,901,740.05/52,970.87
  6. Step 6: Final answer
    x = 44,437.66

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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.