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Finding the Fourth Proportional to 14,473.95, 21,676.90 and 7,055.16

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Solution

The fourth proportional to 14,473.95, 21,676.90 and 7,055.16 is: 10,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.95 : 21,676.90 = 7,055.16 : x
  2. Step 2: Convert to fraction form
    14,473.95/21,676.90 = 7,055.16/x
  3. Step 3: Cross multiply
    14,473.95x = 21,676.90 × 7,055.16
  4. Step 4: Simplify right side
    14,473.95x = 152,933,997.80
  5. Step 5: Solve for x
    x = 152,933,997.80/14,473.95
  6. Step 6: Final answer
    x = 10,566.15

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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.