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Finding the Fourth Proportional to 4,685.08, 7,030.02 and 1,913.56

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Solution

The fourth proportional to 4,685.08, 7,030.02 and 1,913.56 is: 2,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.08 : 7,030.02 = 1,913.56 : x
  2. Step 2: Convert to fraction form
    4,685.08/7,030.02 = 1,913.56/x
  3. Step 3: Cross multiply
    4,685.08x = 7,030.02 × 1,913.56
  4. Step 4: Simplify right side
    4,685.08x = 13,452,365.07
  5. Step 5: Solve for x
    x = 13,452,365.07/4,685.08
  6. Step 6: Final answer
    x = 2,871.32

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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.