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Finding the Fourth Proportional to 58,031.48, 86,980.42 and 26,801.08

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Solution

The fourth proportional to 58,031.48, 86,980.42 and 26,801.08 is: 40,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,031.48 : 86,980.42 = 26,801.08 : x
  2. Step 2: Convert to fraction form
    58,031.48/86,980.42 = 26,801.08/x
  3. Step 3: Cross multiply
    58,031.48x = 86,980.42 × 26,801.08
  4. Step 4: Simplify right side
    58,031.48x = 2,331,169,194.85
  5. Step 5: Solve for x
    x = 2,331,169,194.85/58,031.48
  6. Step 6: Final answer
    x = 40,170.77

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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.