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Finding the Fourth Proportional to 8,999.52, 13,486.76 and 4,607.72

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Solution

The fourth proportional to 8,999.52, 13,486.76 and 4,607.72 is: 6,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.52 : 13,486.76 = 4,607.72 : x
  2. Step 2: Convert to fraction form
    8,999.52/13,486.76 = 4,607.72/x
  3. Step 3: Cross multiply
    8,999.52x = 13,486.76 × 4,607.72
  4. Step 4: Simplify right side
    8,999.52x = 62,143,213.79
  5. Step 5: Solve for x
    x = 62,143,213.79/8,999.52
  6. Step 6: Final answer
    x = 6,905.17

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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.