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Finding the Fourth Proportional to 56,365.54, 77,659.20 and 37,211.20

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Solution

The fourth proportional to 56,365.54, 77,659.20 and 37,211.20 is: 51,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,365.54 : 77,659.20 = 37,211.20 : x
  2. Step 2: Convert to fraction form
    56,365.54/77,659.20 = 37,211.20/x
  3. Step 3: Cross multiply
    56,365.54x = 77,659.20 × 37,211.20
  4. Step 4: Simplify right side
    56,365.54x = 2,889,792,023.04
  5. Step 5: Solve for x
    x = 2,889,792,023.04/56,365.54
  6. Step 6: Final answer
    x = 51,268.77

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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.