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Finding the Fourth Proportional to 5,276.99, 7,282 and 3,038.38

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Solution

The fourth proportional to 5,276.99, 7,282 and 3,038.38 is: 4,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.99 : 7,282 = 3,038.38 : x
  2. Step 2: Convert to fraction form
    5,276.99/7,282 = 3,038.38/x
  3. Step 3: Cross multiply
    5,276.99x = 7,282 × 3,038.38
  4. Step 4: Simplify right side
    5,276.99x = 22,125,483.16
  5. Step 5: Solve for x
    x = 22,125,483.16/5,276.99
  6. Step 6: Final answer
    x = 4,192.82

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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.