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Finding the Fourth Proportional to 25,125.48, 37,653.02 and 18,881.50

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Solution

The fourth proportional to 25,125.48, 37,653.02 and 18,881.50 is: 28,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.48 : 37,653.02 = 18,881.50 : x
  2. Step 2: Convert to fraction form
    25,125.48/37,653.02 = 18,881.50/x
  3. Step 3: Cross multiply
    25,125.48x = 37,653.02 × 18,881.50
  4. Step 4: Simplify right side
    25,125.48x = 710,945,497.13
  5. Step 5: Solve for x
    x = 710,945,497.13/25,125.48
  6. Step 6: Final answer
    x = 28,295.80

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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.