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Finding the Fourth Proportional to 15,297.94, 22,909.95 and 8,704.15

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Solution

The fourth proportional to 15,297.94, 22,909.95 and 8,704.15 is: 13,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.94 : 22,909.95 = 8,704.15 : x
  2. Step 2: Convert to fraction form
    15,297.94/22,909.95 = 8,704.15/x
  3. Step 3: Cross multiply
    15,297.94x = 22,909.95 × 8,704.15
  4. Step 4: Simplify right side
    15,297.94x = 199,411,641.29
  5. Step 5: Solve for x
    x = 199,411,641.29/15,297.94
  6. Step 6: Final answer
    x = 13,035.20

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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.