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Finding the Fourth Proportional to 58,008.59, 86,994.33 and 18,556.32

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Solution

The fourth proportional to 58,008.59, 86,994.33 and 18,556.32 is: 27,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,008.59 : 86,994.33 = 18,556.32 : x
  2. Step 2: Convert to fraction form
    58,008.59/86,994.33 = 18,556.32/x
  3. Step 3: Cross multiply
    58,008.59x = 86,994.33 × 18,556.32
  4. Step 4: Simplify right side
    58,008.59x = 1,614,294,625.67
  5. Step 5: Solve for x
    x = 1,614,294,625.67/58,008.59
  6. Step 6: Final answer
    x = 27,828.55

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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.