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Finding the Fourth Proportional to 2,959.63, 4,101.94 and 2,904.28

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Solution

The fourth proportional to 2,959.63, 4,101.94 and 2,904.28 is: 4,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.63 : 4,101.94 = 2,904.28 : x
  2. Step 2: Convert to fraction form
    2,959.63/4,101.94 = 2,904.28/x
  3. Step 3: Cross multiply
    2,959.63x = 4,101.94 × 2,904.28
  4. Step 4: Simplify right side
    2,959.63x = 11,913,159.34
  5. Step 5: Solve for x
    x = 11,913,159.34/2,959.63
  6. Step 6: Final answer
    x = 4,025.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.