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Finding the Fourth Proportional to 30,596.61, 45,886.57 and 8,404.71

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Solution

The fourth proportional to 30,596.61, 45,886.57 and 8,404.71 is: 12,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,596.61 : 45,886.57 = 8,404.71 : x
  2. Step 2: Convert to fraction form
    30,596.61/45,886.57 = 8,404.71/x
  3. Step 3: Cross multiply
    30,596.61x = 45,886.57 × 8,404.71
  4. Step 4: Simplify right side
    30,596.61x = 385,663,313.74
  5. Step 5: Solve for x
    x = 385,663,313.74/30,596.61
  6. Step 6: Final answer
    x = 12,604.77

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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.