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Finding the Fourth Proportional to 2,384.17, 3,576.74 and 740.63

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Solution

The fourth proportional to 2,384.17, 3,576.74 and 740.63 is: 1,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.17 : 3,576.74 = 740.63 : x
  2. Step 2: Convert to fraction form
    2,384.17/3,576.74 = 740.63/x
  3. Step 3: Cross multiply
    2,384.17x = 3,576.74 × 740.63
  4. Step 4: Simplify right side
    2,384.17x = 2,649,046.18
  5. Step 5: Solve for x
    x = 2,649,046.18/2,384.17
  6. Step 6: Final answer
    x = 1,111.10

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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.