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Finding the Fourth Proportional to 10,445.99, 15,670.45 and 3,051

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Solution

The fourth proportional to 10,445.99, 15,670.45 and 3,051 is: 4,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.99 : 15,670.45 = 3,051 : x
  2. Step 2: Convert to fraction form
    10,445.99/15,670.45 = 3,051/x
  3. Step 3: Cross multiply
    10,445.99x = 15,670.45 × 3,051
  4. Step 4: Simplify right side
    10,445.99x = 47,810,542.95
  5. Step 5: Solve for x
    x = 47,810,542.95/10,445.99
  6. Step 6: Final answer
    x = 4,576.93

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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.