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Finding the Fourth Proportional to 66,002.52, 99,008.64 and 28,598.88

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Solution

The fourth proportional to 66,002.52, 99,008.64 and 28,598.88 is: 42,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.52 : 99,008.64 = 28,598.88 : x
  2. Step 2: Convert to fraction form
    66,002.52/99,008.64 = 28,598.88/x
  3. Step 3: Cross multiply
    66,002.52x = 99,008.64 × 28,598.88
  4. Step 4: Simplify right side
    66,002.52x = 2,831,536,214.32
  5. Step 5: Solve for x
    x = 2,831,536,214.32/66,002.52
  6. Step 6: Final answer
    x = 42,900.43

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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.