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Finding the Fourth Proportional to 8,402.61, 11,595.16 and 4,625.94

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Solution

The fourth proportional to 8,402.61, 11,595.16 and 4,625.94 is: 6,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.61 : 11,595.16 = 4,625.94 : x
  2. Step 2: Convert to fraction form
    8,402.61/11,595.16 = 4,625.94/x
  3. Step 3: Cross multiply
    8,402.61x = 11,595.16 × 4,625.94
  4. Step 4: Simplify right side
    8,402.61x = 53,638,514.45
  5. Step 5: Solve for x
    x = 53,638,514.45/8,402.61
  6. Step 6: Final answer
    x = 6,383.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.