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Finding the Fourth Proportional to 25,559.71, 38,345.72 and 8,029.53

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Solution

The fourth proportional to 25,559.71, 38,345.72 and 8,029.53 is: 12,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.71 : 38,345.72 = 8,029.53 : x
  2. Step 2: Convert to fraction form
    25,559.71/38,345.72 = 8,029.53/x
  3. Step 3: Cross multiply
    25,559.71x = 38,345.72 × 8,029.53
  4. Step 4: Simplify right side
    25,559.71x = 307,898,068.96
  5. Step 5: Solve for x
    x = 307,898,068.96/25,559.71
  6. Step 6: Final answer
    x = 12,046.23

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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.