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Finding the Fourth Proportional to 5,938.32, 8,907.22 and 1,555.68

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Solution

The fourth proportional to 5,938.32, 8,907.22 and 1,555.68 is: 2,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.32 : 8,907.22 = 1,555.68 : x
  2. Step 2: Convert to fraction form
    5,938.32/8,907.22 = 1,555.68/x
  3. Step 3: Cross multiply
    5,938.32x = 8,907.22 × 1,555.68
  4. Step 4: Simplify right side
    5,938.32x = 13,856,784.01
  5. Step 5: Solve for x
    x = 13,856,784.01/5,938.32
  6. Step 6: Final answer
    x = 2,333.45

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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.