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Finding the Fourth Proportional to 35,907.78, 53,861.70 and 11,283.78

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Solution

The fourth proportional to 35,907.78, 53,861.70 and 11,283.78 is: 16,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.78 : 53,861.70 = 11,283.78 : x
  2. Step 2: Convert to fraction form
    35,907.78/53,861.70 = 11,283.78/x
  3. Step 3: Cross multiply
    35,907.78x = 53,861.70 × 11,283.78
  4. Step 4: Simplify right side
    35,907.78x = 607,763,573.23
  5. Step 5: Solve for x
    x = 607,763,573.23/35,907.78
  6. Step 6: Final answer
    x = 16,925.68

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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.