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Finding the Fourth Proportional to 10,437.61, 15,651.73 and 7,503.64

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Solution

The fourth proportional to 10,437.61, 15,651.73 and 7,503.64 is: 11,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.61 : 15,651.73 = 7,503.64 : x
  2. Step 2: Convert to fraction form
    10,437.61/15,651.73 = 7,503.64/x
  3. Step 3: Cross multiply
    10,437.61x = 15,651.73 × 7,503.64
  4. Step 4: Simplify right side
    10,437.61x = 117,444,947.30
  5. Step 5: Solve for x
    x = 117,444,947.30/10,437.61
  6. Step 6: Final answer
    x = 11,252.09

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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.