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Finding the Fourth Proportional to 66,602.02, 99,923.04 and 19,854.88

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Solution

The fourth proportional to 66,602.02, 99,923.04 and 19,854.88 is: 29,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,602.02 : 99,923.04 = 19,854.88 : x
  2. Step 2: Convert to fraction form
    66,602.02/99,923.04 = 19,854.88/x
  3. Step 3: Cross multiply
    66,602.02x = 99,923.04 × 19,854.88
  4. Step 4: Simplify right side
    66,602.02x = 1,983,959,968.44
  5. Step 5: Solve for x
    x = 1,983,959,968.44/66,602.02
  6. Step 6: Final answer
    x = 29,788.29

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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.