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Finding the Fourth Proportional to 5,851.79, 8,768.46 and 2,148.93

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Solution

The fourth proportional to 5,851.79, 8,768.46 and 2,148.93 is: 3,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.79 : 8,768.46 = 2,148.93 : x
  2. Step 2: Convert to fraction form
    5,851.79/8,768.46 = 2,148.93/x
  3. Step 3: Cross multiply
    5,851.79x = 8,768.46 × 2,148.93
  4. Step 4: Simplify right side
    5,851.79x = 18,842,814.81
  5. Step 5: Solve for x
    x = 18,842,814.81/5,851.79
  6. Step 6: Final answer
    x = 3,220.01

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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.