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Finding the Fourth Proportional to 25,374.94, 35,019.03 and 14,200.54

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Solution

The fourth proportional to 25,374.94, 35,019.03 and 14,200.54 is: 19,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.94 : 35,019.03 = 14,200.54 : x
  2. Step 2: Convert to fraction form
    25,374.94/35,019.03 = 14,200.54/x
  3. Step 3: Cross multiply
    25,374.94x = 35,019.03 × 14,200.54
  4. Step 4: Simplify right side
    25,374.94x = 497,289,136.28
  5. Step 5: Solve for x
    x = 497,289,136.28/25,374.94
  6. Step 6: Final answer
    x = 19,597.65

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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.