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Finding the Fourth Proportional to 8,233.48, 12,355.08 and 4,946.91

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Solution

The fourth proportional to 8,233.48, 12,355.08 and 4,946.91 is: 7,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233.48 : 12,355.08 = 4,946.91 : x
  2. Step 2: Convert to fraction form
    8,233.48/12,355.08 = 4,946.91/x
  3. Step 3: Cross multiply
    8,233.48x = 12,355.08 × 4,946.91
  4. Step 4: Simplify right side
    8,233.48x = 61,119,468.80
  5. Step 5: Solve for x
    x = 61,119,468.80/8,233.48
  6. Step 6: Final answer
    x = 7,423.29

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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.