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Finding the Fourth Proportional to 8,607.46, 11,875.71 and 5,069.38

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Solution

The fourth proportional to 8,607.46, 11,875.71 and 5,069.38 is: 6,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.46 : 11,875.71 = 5,069.38 : x
  2. Step 2: Convert to fraction form
    8,607.46/11,875.71 = 5,069.38/x
  3. Step 3: Cross multiply
    8,607.46x = 11,875.71 × 5,069.38
  4. Step 4: Simplify right side
    8,607.46x = 60,202,486.76
  5. Step 5: Solve for x
    x = 60,202,486.76/8,607.46
  6. Step 6: Final answer
    x = 6,994.22

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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.