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Finding the Fourth Proportional to 4,608.68, 6,916.62 and 1,688.84

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Solution

The fourth proportional to 4,608.68, 6,916.62 and 1,688.84 is: 2,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.68 : 6,916.62 = 1,688.84 : x
  2. Step 2: Convert to fraction form
    4,608.68/6,916.62 = 1,688.84/x
  3. Step 3: Cross multiply
    4,608.68x = 6,916.62 × 1,688.84
  4. Step 4: Simplify right side
    4,608.68x = 11,681,064.52
  5. Step 5: Solve for x
    x = 11,681,064.52/4,608.68
  6. Step 6: Final answer
    x = 2,534.58

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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.