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Finding the Fourth Proportional to 37,656.96, 51,968.96 and 21,744.32

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Solution

The fourth proportional to 37,656.96, 51,968.96 and 21,744.32 is: 30,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.96 : 51,968.96 = 21,744.32 : x
  2. Step 2: Convert to fraction form
    37,656.96/51,968.96 = 21,744.32/x
  3. Step 3: Cross multiply
    37,656.96x = 51,968.96 × 21,744.32
  4. Step 4: Simplify right side
    37,656.96x = 1,130,029,696.31
  5. Step 5: Solve for x
    x = 1,130,029,696.31/37,656.96
  6. Step 6: Final answer
    x = 30,008.52

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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.