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Finding the Fourth Proportional to 15,964.08, 22,030.44 and 9,253.60

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Solution

The fourth proportional to 15,964.08, 22,030.44 and 9,253.60 is: 12,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.08 : 22,030.44 = 9,253.60 : x
  2. Step 2: Convert to fraction form
    15,964.08/22,030.44 = 9,253.60/x
  3. Step 3: Cross multiply
    15,964.08x = 22,030.44 × 9,253.60
  4. Step 4: Simplify right side
    15,964.08x = 203,860,990.25
  5. Step 5: Solve for x
    x = 203,860,990.25/15,964.08
  6. Step 6: Final answer
    x = 12,769.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.