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Finding the Fourth Proportional to 25,303.02, 37,912.99 and 8,653.97

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Solution

The fourth proportional to 25,303.02, 37,912.99 and 8,653.97 is: 12,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.02 : 37,912.99 = 8,653.97 : x
  2. Step 2: Convert to fraction form
    25,303.02/37,912.99 = 8,653.97/x
  3. Step 3: Cross multiply
    25,303.02x = 37,912.99 × 8,653.97
  4. Step 4: Simplify right side
    25,303.02x = 328,097,994.49
  5. Step 5: Solve for x
    x = 328,097,994.49/25,303.02
  6. Step 6: Final answer
    x = 12,966.75

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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.