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Finding the Fourth Proportional to 2,880.64, 3,973.14 and 2,483.02

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Solution

The fourth proportional to 2,880.64, 3,973.14 and 2,483.02 is: 3,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.64 : 3,973.14 = 2,483.02 : x
  2. Step 2: Convert to fraction form
    2,880.64/3,973.14 = 2,483.02/x
  3. Step 3: Cross multiply
    2,880.64x = 3,973.14 × 2,483.02
  4. Step 4: Simplify right side
    2,880.64x = 9,865,386.08
  5. Step 5: Solve for x
    x = 9,865,386.08/2,880.64
  6. Step 6: Final answer
    x = 3,424.72

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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.