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Finding the Fourth Proportional to 25,320.65, 37,977.62 and 6,602.06

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Solution

The fourth proportional to 25,320.65, 37,977.62 and 6,602.06 is: 9,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.65 : 37,977.62 = 6,602.06 : x
  2. Step 2: Convert to fraction form
    25,320.65/37,977.62 = 6,602.06/x
  3. Step 3: Cross multiply
    25,320.65x = 37,977.62 × 6,602.06
  4. Step 4: Simplify right side
    25,320.65x = 250,730,303.00
  5. Step 5: Solve for x
    x = 250,730,303.00/25,320.65
  6. Step 6: Final answer
    x = 9,902.21

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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.