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Finding the Fourth Proportional to 77,573.31, 116,378.19 and 24,980.82

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Solution

The fourth proportional to 77,573.31, 116,378.19 and 24,980.82 is: 37,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.31 : 116,378.19 = 24,980.82 : x
  2. Step 2: Convert to fraction form
    77,573.31/116,378.19 = 24,980.82/x
  3. Step 3: Cross multiply
    77,573.31x = 116,378.19 × 24,980.82
  4. Step 4: Simplify right side
    77,573.31x = 2,907,222,616.32
  5. Step 5: Solve for x
    x = 2,907,222,616.32/77,573.31
  6. Step 6: Final answer
    x = 37,477.10

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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.