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Finding the Fourth Proportional to 74,667.69, 103,019.45 and 44,437.82

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Solution

The fourth proportional to 74,667.69, 103,019.45 and 44,437.82 is: 61,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667.69 : 103,019.45 = 44,437.82 : x
  2. Step 2: Convert to fraction form
    74,667.69/103,019.45 = 44,437.82/x
  3. Step 3: Cross multiply
    74,667.69x = 103,019.45 × 44,437.82
  4. Step 4: Simplify right side
    74,667.69x = 4,577,959,038.31
  5. Step 5: Solve for x
    x = 4,577,959,038.31/74,667.69
  6. Step 6: Final answer
    x = 61,311.11

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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.