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Finding the Fourth Proportional to 8,712.53, 13,094.72 and 4,098.77

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Solution

The fourth proportional to 8,712.53, 13,094.72 and 4,098.77 is: 6,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.53 : 13,094.72 = 4,098.77 : x
  2. Step 2: Convert to fraction form
    8,712.53/13,094.72 = 4,098.77/x
  3. Step 3: Cross multiply
    8,712.53x = 13,094.72 × 4,098.77
  4. Step 4: Simplify right side
    8,712.53x = 53,672,225.00
  5. Step 5: Solve for x
    x = 53,672,225.00/8,712.53
  6. Step 6: Final answer
    x = 6,160.35

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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.