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Finding the Fourth Proportional to 77,572.81, 116,377.44 and 24,980.32

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Solution

The fourth proportional to 77,572.81, 116,377.44 and 24,980.32 is: 37,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.81 : 116,377.44 = 24,980.32 : x
  2. Step 2: Convert to fraction form
    77,572.81/116,377.44 = 24,980.32/x
  3. Step 3: Cross multiply
    77,572.81x = 116,377.44 × 24,980.32
  4. Step 4: Simplify right side
    77,572.81x = 2,907,145,691.98
  5. Step 5: Solve for x
    x = 2,907,145,691.98/77,572.81
  6. Step 6: Final answer
    x = 37,476.35

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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.