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Finding the Fourth Proportional to 8,671.34, 11,962.59 and 5,526.38

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Solution

The fourth proportional to 8,671.34, 11,962.59 and 5,526.38 is: 7,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.34 : 11,962.59 = 5,526.38 : x
  2. Step 2: Convert to fraction form
    8,671.34/11,962.59 = 5,526.38/x
  3. Step 3: Cross multiply
    8,671.34x = 11,962.59 × 5,526.38
  4. Step 4: Simplify right side
    8,671.34x = 66,109,818.12
  5. Step 5: Solve for x
    x = 66,109,818.12/8,671.34
  6. Step 6: Final answer
    x = 7,623.94

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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.