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Finding the Fourth Proportional to 8,507.95, 11,737.15 and 4,969.06

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Solution

The fourth proportional to 8,507.95, 11,737.15 and 4,969.06 is: 6,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.95 : 11,737.15 = 4,969.06 : x
  2. Step 2: Convert to fraction form
    8,507.95/11,737.15 = 4,969.06/x
  3. Step 3: Cross multiply
    8,507.95x = 11,737.15 × 4,969.06
  4. Step 4: Simplify right side
    8,507.95x = 58,322,602.58
  5. Step 5: Solve for x
    x = 58,322,602.58/8,507.95
  6. Step 6: Final answer
    x = 6,855.07

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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.