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Finding the Fourth Proportional to 4,959.11, 7,435.66 and 1,953.55

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Solution

The fourth proportional to 4,959.11, 7,435.66 and 1,953.55 is: 2,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.11 : 7,435.66 = 1,953.55 : x
  2. Step 2: Convert to fraction form
    4,959.11/7,435.66 = 1,953.55/x
  3. Step 3: Cross multiply
    4,959.11x = 7,435.66 × 1,953.55
  4. Step 4: Simplify right side
    4,959.11x = 14,525,886.65
  5. Step 5: Solve for x
    x = 14,525,886.65/4,959.11
  6. Step 6: Final answer
    x = 2,929.13

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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.