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Finding the Fourth Proportional to 5,368.75, 7,402.63 and 5,036.65

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Solution

The fourth proportional to 5,368.75, 7,402.63 and 5,036.65 is: 6,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.75 : 7,402.63 = 5,036.65 : x
  2. Step 2: Convert to fraction form
    5,368.75/7,402.63 = 5,036.65/x
  3. Step 3: Cross multiply
    5,368.75x = 7,402.63 × 5,036.65
  4. Step 4: Simplify right side
    5,368.75x = 37,284,456.39
  5. Step 5: Solve for x
    x = 37,284,456.39/5,368.75
  6. Step 6: Final answer
    x = 6,944.72

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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.