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Finding the Fourth Proportional to 9,894.16, 14,817.82 and 8,588.55

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Solution

The fourth proportional to 9,894.16, 14,817.82 and 8,588.55 is: 12,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894.16 : 14,817.82 = 8,588.55 : x
  2. Step 2: Convert to fraction form
    9,894.16/14,817.82 = 8,588.55/x
  3. Step 3: Cross multiply
    9,894.16x = 14,817.82 × 8,588.55
  4. Step 4: Simplify right side
    9,894.16x = 127,263,587.96
  5. Step 5: Solve for x
    x = 127,263,587.96/9,894.16
  6. Step 6: Final answer
    x = 12,862.50

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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.