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Finding the Fourth Proportional to 4,886.74, 7,313.64 and 3,031.48

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Solution

The fourth proportional to 4,886.74, 7,313.64 and 3,031.48 is: 4,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.74 : 7,313.64 = 3,031.48 : x
  2. Step 2: Convert to fraction form
    4,886.74/7,313.64 = 3,031.48/x
  3. Step 3: Cross multiply
    4,886.74x = 7,313.64 × 3,031.48
  4. Step 4: Simplify right side
    4,886.74x = 22,171,153.39
  5. Step 5: Solve for x
    x = 22,171,153.39/4,886.74
  6. Step 6: Final answer
    x = 4,537.00

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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.