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Finding the Fourth Proportional to 8,966.37, 12,374.19 and 4,988.19

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Solution

The fourth proportional to 8,966.37, 12,374.19 and 4,988.19 is: 6,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.37 : 12,374.19 = 4,988.19 : x
  2. Step 2: Convert to fraction form
    8,966.37/12,374.19 = 4,988.19/x
  3. Step 3: Cross multiply
    8,966.37x = 12,374.19 × 4,988.19
  4. Step 4: Simplify right side
    8,966.37x = 61,724,810.82
  5. Step 5: Solve for x
    x = 61,724,810.82/8,966.37
  6. Step 6: Final answer
    x = 6,884.04

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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.