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Finding the Fourth Proportional to 7,273, 10,036.76 and 4,129.68

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Solution

The fourth proportional to 7,273, 10,036.76 and 4,129.68 is: 5,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273 : 10,036.76 = 4,129.68 : x
  2. Step 2: Convert to fraction form
    7,273/10,036.76 = 4,129.68/x
  3. Step 3: Cross multiply
    7,273x = 10,036.76 × 4,129.68
  4. Step 4: Simplify right side
    7,273x = 41,448,607.04
  5. Step 5: Solve for x
    x = 41,448,607.04/7,273
  6. Step 6: Final answer
    x = 5,698.97

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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.