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Finding the Fourth Proportional to 25,888.80, 38,812.02 and 9,239.40

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Solution

The fourth proportional to 25,888.80, 38,812.02 and 9,239.40 is: 13,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.80 : 38,812.02 = 9,239.40 : x
  2. Step 2: Convert to fraction form
    25,888.80/38,812.02 = 9,239.40/x
  3. Step 3: Cross multiply
    25,888.80x = 38,812.02 × 9,239.40
  4. Step 4: Simplify right side
    25,888.80x = 358,599,777.59
  5. Step 5: Solve for x
    x = 358,599,777.59/25,888.80
  6. Step 6: Final answer
    x = 13,851.54

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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.