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Finding the Fourth Proportional to 56,059.54, 77,362.77 and 30,565.70

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Solution

The fourth proportional to 56,059.54, 77,362.77 and 30,565.70 is: 42,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,059.54 : 77,362.77 = 30,565.70 : x
  2. Step 2: Convert to fraction form
    56,059.54/77,362.77 = 30,565.70/x
  3. Step 3: Cross multiply
    56,059.54x = 77,362.77 × 30,565.70
  4. Step 4: Simplify right side
    56,059.54x = 2,364,646,832.18
  5. Step 5: Solve for x
    x = 2,364,646,832.18/56,059.54
  6. Step 6: Final answer
    x = 42,180.99

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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.