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Finding the Fourth Proportional to 15,325.92, 22,985.64 and 7,000.47

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Solution

The fourth proportional to 15,325.92, 22,985.64 and 7,000.47 is: 10,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.92 : 22,985.64 = 7,000.47 : x
  2. Step 2: Convert to fraction form
    15,325.92/22,985.64 = 7,000.47/x
  3. Step 3: Cross multiply
    15,325.92x = 22,985.64 × 7,000.47
  4. Step 4: Simplify right side
    15,325.92x = 160,910,283.25
  5. Step 5: Solve for x
    x = 160,910,283.25/15,325.92
  6. Step 6: Final answer
    x = 10,499.23

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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.