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Finding the Fourth Proportional to 9,994.88, 14,930.02 and 7,402.88

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Solution

The fourth proportional to 9,994.88, 14,930.02 and 7,402.88 is: 11,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.88 : 14,930.02 = 7,402.88 : x
  2. Step 2: Convert to fraction form
    9,994.88/14,930.02 = 7,402.88/x
  3. Step 3: Cross multiply
    9,994.88x = 14,930.02 × 7,402.88
  4. Step 4: Simplify right side
    9,994.88x = 110,525,146.46
  5. Step 5: Solve for x
    x = 110,525,146.46/9,994.88
  6. Step 6: Final answer
    x = 11,058.18

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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.