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Finding the Fourth Proportional to 34,931.67, 52,397.51 and 8,636.64

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Solution

The fourth proportional to 34,931.67, 52,397.51 and 8,636.64 is: 12,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.67 : 52,397.51 = 8,636.64 : x
  2. Step 2: Convert to fraction form
    34,931.67/52,397.51 = 8,636.64/x
  3. Step 3: Cross multiply
    34,931.67x = 52,397.51 × 8,636.64
  4. Step 4: Simplify right side
    34,931.67x = 452,538,387.58
  5. Step 5: Solve for x
    x = 452,538,387.58/34,931.67
  6. Step 6: Final answer
    x = 12,954.96

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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.