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Finding the Fourth Proportional to 4,483.84, 6,721.02 and 1,708.72

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Solution

The fourth proportional to 4,483.84, 6,721.02 and 1,708.72 is: 2,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.84 : 6,721.02 = 1,708.72 : x
  2. Step 2: Convert to fraction form
    4,483.84/6,721.02 = 1,708.72/x
  3. Step 3: Cross multiply
    4,483.84x = 6,721.02 × 1,708.72
  4. Step 4: Simplify right side
    4,483.84x = 11,484,341.29
  5. Step 5: Solve for x
    x = 11,484,341.29/4,483.84
  6. Step 6: Final answer
    x = 2,561.27

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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.