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Finding the Fourth Proportional to 4,929.94, 7,394.87 and 1,232.15

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Solution

The fourth proportional to 4,929.94, 7,394.87 and 1,232.15 is: 1,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.94 : 7,394.87 = 1,232.15 : x
  2. Step 2: Convert to fraction form
    4,929.94/7,394.87 = 1,232.15/x
  3. Step 3: Cross multiply
    4,929.94x = 7,394.87 × 1,232.15
  4. Step 4: Simplify right side
    4,929.94x = 9,111,555.18
  5. Step 5: Solve for x
    x = 9,111,555.18/4,929.94
  6. Step 6: Final answer
    x = 1,848.21

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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.