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Finding the Fourth Proportional to 19,604.27, 29,389.88 and 8,502.60

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Solution

The fourth proportional to 19,604.27, 29,389.88 and 8,502.60 is: 12,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.27 : 29,389.88 = 8,502.60 : x
  2. Step 2: Convert to fraction form
    19,604.27/29,389.88 = 8,502.60/x
  3. Step 3: Cross multiply
    19,604.27x = 29,389.88 × 8,502.60
  4. Step 4: Simplify right side
    19,604.27x = 249,890,341.38
  5. Step 5: Solve for x
    x = 249,890,341.38/19,604.27
  6. Step 6: Final answer
    x = 12,746.73

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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.