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Finding the Fourth Proportional to 5,685.84, 8,526.06 and 2,913.84

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Solution

The fourth proportional to 5,685.84, 8,526.06 and 2,913.84 is: 4,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.84 : 8,526.06 = 2,913.84 : x
  2. Step 2: Convert to fraction form
    5,685.84/8,526.06 = 2,913.84/x
  3. Step 3: Cross multiply
    5,685.84x = 8,526.06 × 2,913.84
  4. Step 4: Simplify right side
    5,685.84x = 24,843,574.67
  5. Step 5: Solve for x
    x = 24,843,574.67/5,685.84
  6. Step 6: Final answer
    x = 4,369.38

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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.