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Finding the Fourth Proportional to 25,703.71, 38,555.83 and 9,060.64

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Solution

The fourth proportional to 25,703.71, 38,555.83 and 9,060.64 is: 13,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.71 : 38,555.83 = 9,060.64 : x
  2. Step 2: Convert to fraction form
    25,703.71/38,555.83 = 9,060.64/x
  3. Step 3: Cross multiply
    25,703.71x = 38,555.83 × 9,060.64
  4. Step 4: Simplify right side
    25,703.71x = 349,340,495.53
  5. Step 5: Solve for x
    x = 349,340,495.53/25,703.71
  6. Step 6: Final answer
    x = 13,591.05

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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.