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Finding the Fourth Proportional to 7,030.08, 10,551.12 and 3,913.20

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Solution

The fourth proportional to 7,030.08, 10,551.12 and 3,913.20 is: 5,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.08 : 10,551.12 = 3,913.20 : x
  2. Step 2: Convert to fraction form
    7,030.08/10,551.12 = 3,913.20/x
  3. Step 3: Cross multiply
    7,030.08x = 10,551.12 × 3,913.20
  4. Step 4: Simplify right side
    7,030.08x = 41,288,642.78
  5. Step 5: Solve for x
    x = 41,288,642.78/7,030.08
  6. Step 6: Final answer
    x = 5,873.14

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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.