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Finding the Fourth Proportional to 25,381.86, 35,027.01 and 14,203.86

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Solution

The fourth proportional to 25,381.86, 35,027.01 and 14,203.86 is: 19,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.86 : 35,027.01 = 14,203.86 : x
  2. Step 2: Convert to fraction form
    25,381.86/35,027.01 = 14,203.86/x
  3. Step 3: Cross multiply
    25,381.86x = 35,027.01 × 14,203.86
  4. Step 4: Simplify right side
    25,381.86x = 497,518,746.26
  5. Step 5: Solve for x
    x = 497,518,746.26/25,381.86
  6. Step 6: Final answer
    x = 19,601.35

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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.