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Finding the Fourth Proportional to 25,521.56, 38,259.64 and 9,935.56

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Solution

The fourth proportional to 25,521.56, 38,259.64 and 9,935.56 is: 14,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.56 : 38,259.64 = 9,935.56 : x
  2. Step 2: Convert to fraction form
    25,521.56/38,259.64 = 9,935.56/x
  3. Step 3: Cross multiply
    25,521.56x = 38,259.64 × 9,935.56
  4. Step 4: Simplify right side
    25,521.56x = 380,130,948.80
  5. Step 5: Solve for x
    x = 380,130,948.80/25,521.56
  6. Step 6: Final answer
    x = 14,894.50

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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.