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Finding the Fourth Proportional to 61,588.80, 92,392.88 and 20,026.08

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Solution

The fourth proportional to 61,588.80, 92,392.88 and 20,026.08 is: 30,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,588.80 : 92,392.88 = 20,026.08 : x
  2. Step 2: Convert to fraction form
    61,588.80/92,392.88 = 20,026.08/x
  3. Step 3: Cross multiply
    61,588.80x = 92,392.88 × 20,026.08
  4. Step 4: Simplify right side
    61,588.80x = 1,850,267,206.31
  5. Step 5: Solve for x
    x = 1,850,267,206.31/61,588.80
  6. Step 6: Final answer
    x = 30,042.27

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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.