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Finding the Fourth Proportional to 8,885.66, 13,336.58 and 4,729.16

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Solution

The fourth proportional to 8,885.66, 13,336.58 and 4,729.16 is: 7,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.66 : 13,336.58 = 4,729.16 : x
  2. Step 2: Convert to fraction form
    8,885.66/13,336.58 = 4,729.16/x
  3. Step 3: Cross multiply
    8,885.66x = 13,336.58 × 4,729.16
  4. Step 4: Simplify right side
    8,885.66x = 63,070,820.67
  5. Step 5: Solve for x
    x = 63,070,820.67/8,885.66
  6. Step 6: Final answer
    x = 7,098.05

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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.