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Finding the Fourth Proportional to 25,303.56, 37,940.22 and 8,658.06

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Solution

The fourth proportional to 25,303.56, 37,940.22 and 8,658.06 is: 12,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.56 : 37,940.22 = 8,658.06 : x
  2. Step 2: Convert to fraction form
    25,303.56/37,940.22 = 8,658.06/x
  3. Step 3: Cross multiply
    25,303.56x = 37,940.22 × 8,658.06
  4. Step 4: Simplify right side
    25,303.56x = 328,488,701.17
  5. Step 5: Solve for x
    x = 328,488,701.17/25,303.56
  6. Step 6: Final answer
    x = 12,981.92

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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.