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Finding the Fourth Proportional to 25,957.44, 38,931.96 and 9,317.04

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Solution

The fourth proportional to 25,957.44, 38,931.96 and 9,317.04 is: 13,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957.44 : 38,931.96 = 9,317.04 : x
  2. Step 2: Convert to fraction form
    25,957.44/38,931.96 = 9,317.04/x
  3. Step 3: Cross multiply
    25,957.44x = 38,931.96 × 9,317.04
  4. Step 4: Simplify right side
    25,957.44x = 362,730,628.60
  5. Step 5: Solve for x
    x = 362,730,628.60/25,957.44
  6. Step 6: Final answer
    x = 13,974.05

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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.