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Finding the Fourth Proportional to 14,803.76, 22,192.68 and 7,400.72

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Solution

The fourth proportional to 14,803.76, 22,192.68 and 7,400.72 is: 11,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.76 : 22,192.68 = 7,400.72 : x
  2. Step 2: Convert to fraction form
    14,803.76/22,192.68 = 7,400.72/x
  3. Step 3: Cross multiply
    14,803.76x = 22,192.68 × 7,400.72
  4. Step 4: Simplify right side
    14,803.76x = 164,241,810.73
  5. Step 5: Solve for x
    x = 164,241,810.73/14,803.76
  6. Step 6: Final answer
    x = 11,094.60

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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.