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Finding the Fourth Proportional to 40,662.69, 61,002.58 and 14,011.10

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Solution

The fourth proportional to 40,662.69, 61,002.58 and 14,011.10 is: 21,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,662.69 : 61,002.58 = 14,011.10 : x
  2. Step 2: Convert to fraction form
    40,662.69/61,002.58 = 14,011.10/x
  3. Step 3: Cross multiply
    40,662.69x = 61,002.58 × 14,011.10
  4. Step 4: Simplify right side
    40,662.69x = 854,713,248.64
  5. Step 5: Solve for x
    x = 854,713,248.64/40,662.69
  6. Step 6: Final answer
    x = 21,019.59

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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.