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Finding the Fourth Proportional to 11,607.65, 16,018.88 and 6,302.81

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Solution

The fourth proportional to 11,607.65, 16,018.88 and 6,302.81 is: 8,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.65 : 16,018.88 = 6,302.81 : x
  2. Step 2: Convert to fraction form
    11,607.65/16,018.88 = 6,302.81/x
  3. Step 3: Cross multiply
    11,607.65x = 16,018.88 × 6,302.81
  4. Step 4: Simplify right side
    11,607.65x = 100,963,845.44
  5. Step 5: Solve for x
    x = 100,963,845.44/11,607.65
  6. Step 6: Final answer
    x = 8,698.05

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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.