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Finding the Fourth Proportional to 66,397.51, 99,463.02 and 33,016.60

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Solution

The fourth proportional to 66,397.51, 99,463.02 and 33,016.60 is: 49,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.51 : 99,463.02 = 33,016.60 : x
  2. Step 2: Convert to fraction form
    66,397.51/99,463.02 = 33,016.60/x
  3. Step 3: Cross multiply
    66,397.51x = 99,463.02 × 33,016.60
  4. Step 4: Simplify right side
    66,397.51x = 3,283,930,746.13
  5. Step 5: Solve for x
    x = 3,283,930,746.13/66,397.51
  6. Step 6: Final answer
    x = 49,458.64

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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.