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Finding the Fourth Proportional to 58,857.70, 88,289.27 and 19,418.26

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Solution

The fourth proportional to 58,857.70, 88,289.27 and 19,418.26 is: 29,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,857.70 : 88,289.27 = 19,418.26 : x
  2. Step 2: Convert to fraction form
    58,857.70/88,289.27 = 19,418.26/x
  3. Step 3: Cross multiply
    58,857.70x = 88,289.27 × 19,418.26
  4. Step 4: Simplify right side
    58,857.70x = 1,714,424,000.07
  5. Step 5: Solve for x
    x = 1,714,424,000.07/58,857.70
  6. Step 6: Final answer
    x = 29,128.29

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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.