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Finding the Fourth Proportional to 35,880.76, 53,821.26 and 11,256.76

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Solution

The fourth proportional to 35,880.76, 53,821.26 and 11,256.76 is: 16,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.76 : 53,821.26 = 11,256.76 : x
  2. Step 2: Convert to fraction form
    35,880.76/53,821.26 = 11,256.76/x
  3. Step 3: Cross multiply
    35,880.76x = 53,821.26 × 11,256.76
  4. Step 4: Simplify right side
    35,880.76x = 605,853,006.72
  5. Step 5: Solve for x
    x = 605,853,006.72/35,880.76
  6. Step 6: Final answer
    x = 16,885.18

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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.