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Finding the Fourth Proportional to 7,273, 10,036.60 and 4,288.96

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Solution

The fourth proportional to 7,273, 10,036.60 and 4,288.96 is: 5,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273 : 10,036.60 = 4,288.96 : x
  2. Step 2: Convert to fraction form
    7,273/10,036.60 = 4,288.96/x
  3. Step 3: Cross multiply
    7,273x = 10,036.60 × 4,288.96
  4. Step 4: Simplify right side
    7,273x = 43,046,575.94
  5. Step 5: Solve for x
    x = 43,046,575.94/7,273
  6. Step 6: Final answer
    x = 5,918.68

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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.