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Finding the Fourth Proportional to 52,349.64, 78,524.28 and 36,585.48

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Solution

The fourth proportional to 52,349.64, 78,524.28 and 36,585.48 is: 54,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,349.64 : 78,524.28 = 36,585.48 : x
  2. Step 2: Convert to fraction form
    52,349.64/78,524.28 = 36,585.48/x
  3. Step 3: Cross multiply
    52,349.64x = 78,524.28 × 36,585.48
  4. Step 4: Simplify right side
    52,349.64x = 2,872,848,475.45
  5. Step 5: Solve for x
    x = 2,872,848,475.45/52,349.64
  6. Step 6: Final answer
    x = 54,878.09

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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.