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Finding the Fourth Proportional to 66,322.03, 99,483.06 and 19,563.97

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Solution

The fourth proportional to 66,322.03, 99,483.06 and 19,563.97 is: 29,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,322.03 : 99,483.06 = 19,563.97 : x
  2. Step 2: Convert to fraction form
    66,322.03/99,483.06 = 19,563.97/x
  3. Step 3: Cross multiply
    66,322.03x = 99,483.06 × 19,563.97
  4. Step 4: Simplify right side
    66,322.03x = 1,946,283,601.35
  5. Step 5: Solve for x
    x = 1,946,283,601.35/66,322.03
  6. Step 6: Final answer
    x = 29,345.96

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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.