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Finding the Fourth Proportional to 9,881.35, 14,827.13 and 4,338.58

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Solution

The fourth proportional to 9,881.35, 14,827.13 and 4,338.58 is: 6,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.35 : 14,827.13 = 4,338.58 : x
  2. Step 2: Convert to fraction form
    9,881.35/14,827.13 = 4,338.58/x
  3. Step 3: Cross multiply
    9,881.35x = 14,827.13 × 4,338.58
  4. Step 4: Simplify right side
    9,881.35x = 64,328,689.68
  5. Step 5: Solve for x
    x = 64,328,689.68/9,881.35
  6. Step 6: Final answer
    x = 6,510.11

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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.