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Finding the Fourth Proportional to 9,345.77, 13,958.08 and 8,466.51

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Solution

The fourth proportional to 9,345.77, 13,958.08 and 8,466.51 is: 12,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.77 : 13,958.08 = 8,466.51 : x
  2. Step 2: Convert to fraction form
    9,345.77/13,958.08 = 8,466.51/x
  3. Step 3: Cross multiply
    9,345.77x = 13,958.08 × 8,466.51
  4. Step 4: Simplify right side
    9,345.77x = 118,176,202.73
  5. Step 5: Solve for x
    x = 118,176,202.73/9,345.77
  6. Step 6: Final answer
    x = 12,644.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.