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Finding the Fourth Proportional to 27,157.01, 37,477.71 and 15,220.58

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Solution

The fourth proportional to 27,157.01, 37,477.71 and 15,220.58 is: 21,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.01 : 37,477.71 = 15,220.58 : x
  2. Step 2: Convert to fraction form
    27,157.01/37,477.71 = 15,220.58/x
  3. Step 3: Cross multiply
    27,157.01x = 37,477.71 × 15,220.58
  4. Step 4: Simplify right side
    27,157.01x = 570,432,295.88
  5. Step 5: Solve for x
    x = 570,432,295.88/27,157.01
  6. Step 6: Final answer
    x = 21,004.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.