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Finding the Fourth Proportional to 25,420.62, 38,130.94 and 6,952.62

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Solution

The fourth proportional to 25,420.62, 38,130.94 and 6,952.62 is: 10,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.62 : 38,130.94 = 6,952.62 : x
  2. Step 2: Convert to fraction form
    25,420.62/38,130.94 = 6,952.62/x
  3. Step 3: Cross multiply
    25,420.62x = 38,130.94 × 6,952.62
  4. Step 4: Simplify right side
    25,420.62x = 265,109,936.06
  5. Step 5: Solve for x
    x = 265,109,936.06/25,420.62
  6. Step 6: Final answer
    x = 10,428.93

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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.