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Finding the Fourth Proportional to 57,953.92, 86,944.44 and 17,970.80

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Solution

The fourth proportional to 57,953.92, 86,944.44 and 17,970.80 is: 26,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,953.92 : 86,944.44 = 17,970.80 : x
  2. Step 2: Convert to fraction form
    57,953.92/86,944.44 = 17,970.80/x
  3. Step 3: Cross multiply
    57,953.92x = 86,944.44 × 17,970.80
  4. Step 4: Simplify right side
    57,953.92x = 1,562,461,142.35
  5. Step 5: Solve for x
    x = 1,562,461,142.35/57,953.92
  6. Step 6: Final answer
    x = 26,960.40

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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.