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Finding the Fourth Proportional to 66,294.52, 91,490.52 and 38,004.46

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Solution

The fourth proportional to 66,294.52, 91,490.52 and 38,004.46 is: 52,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,294.52 : 91,490.52 = 38,004.46 : x
  2. Step 2: Convert to fraction form
    66,294.52/91,490.52 = 38,004.46/x
  3. Step 3: Cross multiply
    66,294.52x = 91,490.52 × 38,004.46
  4. Step 4: Simplify right side
    66,294.52x = 3,477,047,807.72
  5. Step 5: Solve for x
    x = 3,477,047,807.72/66,294.52
  6. Step 6: Final answer
    x = 52,448.50

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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.