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Finding the Fourth Proportional to 25,375.66, 35,030.04 and 18,113.30

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Solution

The fourth proportional to 25,375.66, 35,030.04 and 18,113.30 is: 25,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.66 : 35,030.04 = 18,113.30 : x
  2. Step 2: Convert to fraction form
    25,375.66/35,030.04 = 18,113.30/x
  3. Step 3: Cross multiply
    25,375.66x = 35,030.04 × 18,113.30
  4. Step 4: Simplify right side
    25,375.66x = 634,509,511.82
  5. Step 5: Solve for x
    x = 634,509,511.82/25,375.66
  6. Step 6: Final answer
    x = 25,004.65

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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.