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Finding the Fourth Proportional to 25,225.10, 37,810.65 and 8,569.70

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Solution

The fourth proportional to 25,225.10, 37,810.65 and 8,569.70 is: 12,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,225.10 : 37,810.65 = 8,569.70 : x
  2. Step 2: Convert to fraction form
    25,225.10/37,810.65 = 8,569.70/x
  3. Step 3: Cross multiply
    25,225.10x = 37,810.65 × 8,569.70
  4. Step 4: Simplify right side
    25,225.10x = 324,025,927.31
  5. Step 5: Solve for x
    x = 324,025,927.31/25,225.10
  6. Step 6: Final answer
    x = 12,845.38

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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.