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Finding the Fourth Proportional to 27,297.40, 40,946.10 and 8,829.40

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Solution

The fourth proportional to 27,297.40, 40,946.10 and 8,829.40 is: 13,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297.40 : 40,946.10 = 8,829.40 : x
  2. Step 2: Convert to fraction form
    27,297.40/40,946.10 = 8,829.40/x
  3. Step 3: Cross multiply
    27,297.40x = 40,946.10 × 8,829.40
  4. Step 4: Simplify right side
    27,297.40x = 361,529,495.34
  5. Step 5: Solve for x
    x = 361,529,495.34/27,297.40
  6. Step 6: Final answer
    x = 13,244.10

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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.