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Finding the Fourth Proportional to 40,671.62, 61,005.62 and 11,089.45

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Solution

The fourth proportional to 40,671.62, 61,005.62 and 11,089.45 is: 16,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671.62 : 61,005.62 = 11,089.45 : x
  2. Step 2: Convert to fraction form
    40,671.62/61,005.62 = 11,089.45/x
  3. Step 3: Cross multiply
    40,671.62x = 61,005.62 × 11,089.45
  4. Step 4: Simplify right side
    40,671.62x = 676,518,772.71
  5. Step 5: Solve for x
    x = 676,518,772.71/40,671.62
  6. Step 6: Final answer
    x = 16,633.68

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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.