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Finding the Fourth Proportional to 3,307.44, 4,959.93 and 1,921.14

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Solution

The fourth proportional to 3,307.44, 4,959.93 and 1,921.14 is: 2,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.44 : 4,959.93 = 1,921.14 : x
  2. Step 2: Convert to fraction form
    3,307.44/4,959.93 = 1,921.14/x
  3. Step 3: Cross multiply
    3,307.44x = 4,959.93 × 1,921.14
  4. Step 4: Simplify right side
    3,307.44x = 9,528,719.92
  5. Step 5: Solve for x
    x = 9,528,719.92/3,307.44
  6. Step 6: Final answer
    x = 2,881.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.