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Finding the Fourth Proportional to 16,160.41, 22,312.41 and 12,376.90

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Solution

The fourth proportional to 16,160.41, 22,312.41 and 12,376.90 is: 17,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,160.41 : 22,312.41 = 12,376.90 : x
  2. Step 2: Convert to fraction form
    16,160.41/22,312.41 = 12,376.90/x
  3. Step 3: Cross multiply
    16,160.41x = 22,312.41 × 12,376.90
  4. Step 4: Simplify right side
    16,160.41x = 276,158,518.43
  5. Step 5: Solve for x
    x = 276,158,518.43/16,160.41
  6. Step 6: Final answer
    x = 17,088.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.