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Finding the Fourth Proportional to 6,547.12, 9,028.76 and 4,972.48

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Solution

The fourth proportional to 6,547.12, 9,028.76 and 4,972.48 is: 6,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.12 : 9,028.76 = 4,972.48 : x
  2. Step 2: Convert to fraction form
    6,547.12/9,028.76 = 4,972.48/x
  3. Step 3: Cross multiply
    6,547.12x = 9,028.76 × 4,972.48
  4. Step 4: Simplify right side
    6,547.12x = 44,895,328.52
  5. Step 5: Solve for x
    x = 44,895,328.52/6,547.12
  6. Step 6: Final answer
    x = 6,857.26

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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.