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Finding the Fourth Proportional to 58,037.76, 86,944.53 and 42,813.48

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Solution

The fourth proportional to 58,037.76, 86,944.53 and 42,813.48 is: 64,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,037.76 : 86,944.53 = 42,813.48 : x
  2. Step 2: Convert to fraction form
    58,037.76/86,944.53 = 42,813.48/x
  3. Step 3: Cross multiply
    58,037.76x = 86,944.53 × 42,813.48
  4. Step 4: Simplify right side
    58,037.76x = 3,722,397,896.26
  5. Step 5: Solve for x
    x = 3,722,397,896.26/58,037.76
  6. Step 6: Final answer
    x = 64,137.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.