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Finding the Fourth Proportional to 9,613.55, 14,324.76 and 8,565.50

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Solution

The fourth proportional to 9,613.55, 14,324.76 and 8,565.50 is: 12,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.55 : 14,324.76 = 8,565.50 : x
  2. Step 2: Convert to fraction form
    9,613.55/14,324.76 = 8,565.50/x
  3. Step 3: Cross multiply
    9,613.55x = 14,324.76 × 8,565.50
  4. Step 4: Simplify right side
    9,613.55x = 122,698,731.78
  5. Step 5: Solve for x
    x = 122,698,731.78/9,613.55
  6. Step 6: Final answer
    x = 12,763.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.