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Finding the Fourth Proportional to 4,886.74, 7,332.27 and 1,964.26

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Solution

The fourth proportional to 4,886.74, 7,332.27 and 1,964.26 is: 2,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.74 : 7,332.27 = 1,964.26 : x
  2. Step 2: Convert to fraction form
    4,886.74/7,332.27 = 1,964.26/x
  3. Step 3: Cross multiply
    4,886.74x = 7,332.27 × 1,964.26
  4. Step 4: Simplify right side
    4,886.74x = 14,402,484.67
  5. Step 5: Solve for x
    x = 14,402,484.67/4,886.74
  6. Step 6: Final answer
    x = 2,947.26

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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.