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Finding the Fourth Proportional to 25,903.68, 38,845.75 and 8,368.80

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Solution

The fourth proportional to 25,903.68, 38,845.75 and 8,368.80 is: 12,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.68 : 38,845.75 = 8,368.80 : x
  2. Step 2: Convert to fraction form
    25,903.68/38,845.75 = 8,368.80/x
  3. Step 3: Cross multiply
    25,903.68x = 38,845.75 × 8,368.80
  4. Step 4: Simplify right side
    25,903.68x = 325,092,312.60
  5. Step 5: Solve for x
    x = 325,092,312.60/25,903.68
  6. Step 6: Final answer
    x = 12,550.04

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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.