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Finding the Fourth Proportional to 56,178.01, 77,515.54 and 33,508.54

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Solution

The fourth proportional to 56,178.01, 77,515.54 and 33,508.54 is: 46,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.01 : 77,515.54 = 33,508.54 : x
  2. Step 2: Convert to fraction form
    56,178.01/77,515.54 = 33,508.54/x
  3. Step 3: Cross multiply
    56,178.01x = 77,515.54 × 33,508.54
  4. Step 4: Simplify right side
    56,178.01x = 2,597,432,572.71
  5. Step 5: Solve for x
    x = 2,597,432,572.71/56,178.01
  6. Step 6: Final answer
    x = 46,235.75

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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.