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Finding the Fourth Proportional to 6,483.84, 9,708.96 and 4,721.60

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Solution

The fourth proportional to 6,483.84, 9,708.96 and 4,721.60 is: 7,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.84 : 9,708.96 = 4,721.60 : x
  2. Step 2: Convert to fraction form
    6,483.84/9,708.96 = 4,721.60/x
  3. Step 3: Cross multiply
    6,483.84x = 9,708.96 × 4,721.60
  4. Step 4: Simplify right side
    6,483.84x = 45,841,825.54
  5. Step 5: Solve for x
    x = 45,841,825.54/6,483.84
  6. Step 6: Final answer
    x = 7,070.17

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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.