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Finding the Fourth Proportional to 37,208, 51,347.06 and 20,442.08

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Solution

The fourth proportional to 37,208, 51,347.06 and 20,442.08 is: 28,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208 : 51,347.06 = 20,442.08 : x
  2. Step 2: Convert to fraction form
    37,208/51,347.06 = 20,442.08/x
  3. Step 3: Cross multiply
    37,208x = 51,347.06 × 20,442.08
  4. Step 4: Simplify right side
    37,208x = 1,049,640,708.28
  5. Step 5: Solve for x
    x = 1,049,640,708.28/37,208
  6. Step 6: Final answer
    x = 28,210.08

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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.