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Finding the Fourth Proportional to 52,840.32, 79,270.84 and 19,560.64

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Solution

The fourth proportional to 52,840.32, 79,270.84 and 19,560.64 is: 29,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.32 : 79,270.84 = 19,560.64 : x
  2. Step 2: Convert to fraction form
    52,840.32/79,270.84 = 19,560.64/x
  3. Step 3: Cross multiply
    52,840.32x = 79,270.84 × 19,560.64
  4. Step 4: Simplify right side
    52,840.32x = 1,550,588,363.74
  5. Step 5: Solve for x
    x = 1,550,588,363.74/52,840.32
  6. Step 6: Final answer
    x = 29,344.80

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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.