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Finding the Fourth Proportional to 14,598.64, 21,865 and 8,742.88

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Solution

The fourth proportional to 14,598.64, 21,865 and 8,742.88 is: 13,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.64 : 21,865 = 8,742.88 : x
  2. Step 2: Convert to fraction form
    14,598.64/21,865 = 8,742.88/x
  3. Step 3: Cross multiply
    14,598.64x = 21,865 × 8,742.88
  4. Step 4: Simplify right side
    14,598.64x = 191,163,071.20
  5. Step 5: Solve for x
    x = 191,163,071.20/14,598.64
  6. Step 6: Final answer
    x = 13,094.58

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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.