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Finding the Fourth Proportional to 34,503.40, 51,755.04 and 10,812.77

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Solution

The fourth proportional to 34,503.40, 51,755.04 and 10,812.77 is: 16,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,503.40 : 51,755.04 = 10,812.77 : x
  2. Step 2: Convert to fraction form
    34,503.40/51,755.04 = 10,812.77/x
  3. Step 3: Cross multiply
    34,503.40x = 51,755.04 × 10,812.77
  4. Step 4: Simplify right side
    34,503.40x = 559,615,031.02
  5. Step 5: Solve for x
    x = 559,615,031.02/34,503.40
  6. Step 6: Final answer
    x = 16,219.13

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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.