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Finding the Fourth Proportional to 29,424.40, 44,111.70 and 12,771.91

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Solution

The fourth proportional to 29,424.40, 44,111.70 and 12,771.91 is: 19,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,424.40 : 44,111.70 = 12,771.91 : x
  2. Step 2: Convert to fraction form
    29,424.40/44,111.70 = 12,771.91/x
  3. Step 3: Cross multiply
    29,424.40x = 44,111.70 × 12,771.91
  4. Step 4: Simplify right side
    29,424.40x = 563,390,662.35
  5. Step 5: Solve for x
    x = 563,390,662.35/29,424.40
  6. Step 6: Final answer
    x = 19,147.06

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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.