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Finding the Fourth Proportional to 56,491.34, 77,964.24 and 32,625.50

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Solution

The fourth proportional to 56,491.34, 77,964.24 and 32,625.50 is: 45,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.34 : 77,964.24 = 32,625.50 : x
  2. Step 2: Convert to fraction form
    56,491.34/77,964.24 = 32,625.50/x
  3. Step 3: Cross multiply
    56,491.34x = 77,964.24 × 32,625.50
  4. Step 4: Simplify right side
    56,491.34x = 2,543,622,312.12
  5. Step 5: Solve for x
    x = 2,543,622,312.12/56,491.34
  6. Step 6: Final answer
    x = 45,026.77

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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.