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Finding the Fourth Proportional to 56,502.52, 77,980.39 and 32,629.16

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Solution

The fourth proportional to 56,502.52, 77,980.39 and 32,629.16 is: 45,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,502.52 : 77,980.39 = 32,629.16 : x
  2. Step 2: Convert to fraction form
    56,502.52/77,980.39 = 32,629.16/x
  3. Step 3: Cross multiply
    56,502.52x = 77,980.39 × 32,629.16
  4. Step 4: Simplify right side
    56,502.52x = 2,544,434,735.55
  5. Step 5: Solve for x
    x = 2,544,434,735.55/56,502.52
  6. Step 6: Final answer
    x = 45,032.24

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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.