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Finding the Fourth Proportional to 14,064.57, 19,417.53 and 8,766.57

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Solution

The fourth proportional to 14,064.57, 19,417.53 and 8,766.57 is: 12,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.57 : 19,417.53 = 8,766.57 : x
  2. Step 2: Convert to fraction form
    14,064.57/19,417.53 = 8,766.57/x
  3. Step 3: Cross multiply
    14,064.57x = 19,417.53 × 8,766.57
  4. Step 4: Simplify right side
    14,064.57x = 170,225,096.03
  5. Step 5: Solve for x
    x = 170,225,096.03/14,064.57
  6. Step 6: Final answer
    x = 12,103.11

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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.