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Finding the Fourth Proportional to 8,903.58, 12,283.07 and 5,364.75

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Solution

The fourth proportional to 8,903.58, 12,283.07 and 5,364.75 is: 7,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.58 : 12,283.07 = 5,364.75 : x
  2. Step 2: Convert to fraction form
    8,903.58/12,283.07 = 5,364.75/x
  3. Step 3: Cross multiply
    8,903.58x = 12,283.07 × 5,364.75
  4. Step 4: Simplify right side
    8,903.58x = 65,895,599.78
  5. Step 5: Solve for x
    x = 65,895,599.78/8,903.58
  6. Step 6: Final answer
    x = 7,401.02

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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.