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Finding the Fourth Proportional to 10,236, 15,357.60 and 5,045.52

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Solution

The fourth proportional to 10,236, 15,357.60 and 5,045.52 is: 7,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236 : 15,357.60 = 5,045.52 : x
  2. Step 2: Convert to fraction form
    10,236/15,357.60 = 5,045.52/x
  3. Step 3: Cross multiply
    10,236x = 15,357.60 × 5,045.52
  4. Step 4: Simplify right side
    10,236x = 77,487,077.95
  5. Step 5: Solve for x
    x = 77,487,077.95/10,236
  6. Step 6: Final answer
    x = 7,570.05

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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.