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Finding the Fourth Proportional to 7,028.86, 9,700.86 and 4,377.10

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Solution

The fourth proportional to 7,028.86, 9,700.86 and 4,377.10 is: 6,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.86 : 9,700.86 = 4,377.10 : x
  2. Step 2: Convert to fraction form
    7,028.86/9,700.86 = 4,377.10/x
  3. Step 3: Cross multiply
    7,028.86x = 9,700.86 × 4,377.10
  4. Step 4: Simplify right side
    7,028.86x = 42,461,634.31
  5. Step 5: Solve for x
    x = 42,461,634.31/7,028.86
  6. Step 6: Final answer
    x = 6,041.04

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