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Finding the Fourth Proportional to 52,273.64, 72,005.72 and 42,173.82

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Solution

The fourth proportional to 52,273.64, 72,005.72 and 42,173.82 is: 58,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273.64 : 72,005.72 = 42,173.82 : x
  2. Step 2: Convert to fraction form
    52,273.64/72,005.72 = 42,173.82/x
  3. Step 3: Cross multiply
    52,273.64x = 72,005.72 × 42,173.82
  4. Step 4: Simplify right side
    52,273.64x = 3,036,756,063.38
  5. Step 5: Solve for x
    x = 3,036,756,063.38/52,273.64
  6. Step 6: Final answer
    x = 58,093.45

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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.