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Finding the Fourth Proportional to 66,504.51, 91,747.26 and 43,814.39

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Solution

The fourth proportional to 66,504.51, 91,747.26 and 43,814.39 is: 60,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.51 : 91,747.26 = 43,814.39 : x
  2. Step 2: Convert to fraction form
    66,504.51/91,747.26 = 43,814.39/x
  3. Step 3: Cross multiply
    66,504.51x = 91,747.26 × 43,814.39
  4. Step 4: Simplify right side
    66,504.51x = 4,019,849,772.34
  5. Step 5: Solve for x
    x = 4,019,849,772.34/66,504.51
  6. Step 6: Final answer
    x = 60,444.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.