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Finding the Fourth Proportional to 16,479.61, 22,741.81 and 8,925.93

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Solution

The fourth proportional to 16,479.61, 22,741.81 and 8,925.93 is: 12,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.61 : 22,741.81 = 8,925.93 : x
  2. Step 2: Convert to fraction form
    16,479.61/22,741.81 = 8,925.93/x
  3. Step 3: Cross multiply
    16,479.61x = 22,741.81 × 8,925.93
  4. Step 4: Simplify right side
    16,479.61x = 202,991,804.13
  5. Step 5: Solve for x
    x = 202,991,804.13/16,479.61
  6. Step 6: Final answer
    x = 12,317.76

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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.