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Finding the Fourth Proportional to 25,968.16, 38,957.43 and 7,253.56

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Solution

The fourth proportional to 25,968.16, 38,957.43 and 7,253.56 is: 10,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968.16 : 38,957.43 = 7,253.56 : x
  2. Step 2: Convert to fraction form
    25,968.16/38,957.43 = 7,253.56/x
  3. Step 3: Cross multiply
    25,968.16x = 38,957.43 × 7,253.56
  4. Step 4: Simplify right side
    25,968.16x = 282,580,055.95
  5. Step 5: Solve for x
    x = 282,580,055.95/25,968.16
  6. Step 6: Final answer
    x = 10,881.79

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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.