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Finding the Fourth Proportional to 9,985.66, 14,987.69 and 5,058.73

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Solution

The fourth proportional to 9,985.66, 14,987.69 and 5,058.73 is: 7,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.66 : 14,987.69 = 5,058.73 : x
  2. Step 2: Convert to fraction form
    9,985.66/14,987.69 = 5,058.73/x
  3. Step 3: Cross multiply
    9,985.66x = 14,987.69 × 5,058.73
  4. Step 4: Simplify right side
    9,985.66x = 75,818,677.03
  5. Step 5: Solve for x
    x = 75,818,677.03/9,985.66
  6. Step 6: Final answer
    x = 7,592.76

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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.