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Finding the Fourth Proportional to 58,646.78, 87,968.94 and 14,273.78

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Solution

The fourth proportional to 58,646.78, 87,968.94 and 14,273.78 is: 21,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.78 : 87,968.94 = 14,273.78 : x
  2. Step 2: Convert to fraction form
    58,646.78/87,968.94 = 14,273.78/x
  3. Step 3: Cross multiply
    58,646.78x = 87,968.94 × 14,273.78
  4. Step 4: Simplify right side
    58,646.78x = 1,255,649,296.39
  5. Step 5: Solve for x
    x = 1,255,649,296.39/58,646.78
  6. Step 6: Final answer
    x = 21,410.37

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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.