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Finding the Fourth Proportional to 14,261.10, 19,994.70 and 14,261.10

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Solution

The fourth proportional to 14,261.10, 19,994.70 and 14,261.10 is: 19,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.10 : 19,994.70 = 14,261.10 : x
  2. Step 2: Convert to fraction form
    14,261.10/19,994.70 = 14,261.10/x
  3. Step 3: Cross multiply
    14,261.10x = 19,994.70 × 14,261.10
  4. Step 4: Simplify right side
    14,261.10x = 285,146,416.17
  5. Step 5: Solve for x
    x = 285,146,416.17/14,261.10
  6. Step 6: Final answer
    x = 19,994.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.