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Finding the Fourth Proportional to 7,862.12, 10,849.02 and 4,325.48

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Solution

The fourth proportional to 7,862.12, 10,849.02 and 4,325.48 is: 5,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.12 : 10,849.02 = 4,325.48 : x
  2. Step 2: Convert to fraction form
    7,862.12/10,849.02 = 4,325.48/x
  3. Step 3: Cross multiply
    7,862.12x = 10,849.02 × 4,325.48
  4. Step 4: Simplify right side
    7,862.12x = 46,927,219.03
  5. Step 5: Solve for x
    x = 46,927,219.03/7,862.12
  6. Step 6: Final answer
    x = 5,968.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.