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Finding the Fourth Proportional to 14,729.76, 22,095.12 and 4,868.88

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Solution

The fourth proportional to 14,729.76, 22,095.12 and 4,868.88 is: 7,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.76 : 22,095.12 = 4,868.88 : x
  2. Step 2: Convert to fraction form
    14,729.76/22,095.12 = 4,868.88/x
  3. Step 3: Cross multiply
    14,729.76x = 22,095.12 × 4,868.88
  4. Step 4: Simplify right side
    14,729.76x = 107,578,487.87
  5. Step 5: Solve for x
    x = 107,578,487.87/14,729.76
  6. Step 6: Final answer
    x = 7,303.48

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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.