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Finding the Fourth Proportional to 6,662.84, 9,970.68 and 5,749.16

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Solution

The fourth proportional to 6,662.84, 9,970.68 and 5,749.16 is: 8,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.84 : 9,970.68 = 5,749.16 : x
  2. Step 2: Convert to fraction form
    6,662.84/9,970.68 = 5,749.16/x
  3. Step 3: Cross multiply
    6,662.84x = 9,970.68 × 5,749.16
  4. Step 4: Simplify right side
    6,662.84x = 57,323,034.63
  5. Step 5: Solve for x
    x = 57,323,034.63/6,662.84
  6. Step 6: Final answer
    x = 8,603.39

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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.