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Finding the Fourth Proportional to 9,366.57, 14,058.36 and 4,987.71

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Solution

The fourth proportional to 9,366.57, 14,058.36 and 4,987.71 is: 7,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.57 : 14,058.36 = 4,987.71 : x
  2. Step 2: Convert to fraction form
    9,366.57/14,058.36 = 4,987.71/x
  3. Step 3: Cross multiply
    9,366.57x = 14,058.36 × 4,987.71
  4. Step 4: Simplify right side
    9,366.57x = 70,119,022.76
  5. Step 5: Solve for x
    x = 70,119,022.76/9,366.57
  6. Step 6: Final answer
    x = 7,486.09

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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.