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Finding the Fourth Proportional to 15,803.74, 23,699.03 and 6,437.39

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Solution

The fourth proportional to 15,803.74, 23,699.03 and 6,437.39 is: 9,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.74 : 23,699.03 = 6,437.39 : x
  2. Step 2: Convert to fraction form
    15,803.74/23,699.03 = 6,437.39/x
  3. Step 3: Cross multiply
    15,803.74x = 23,699.03 × 6,437.39
  4. Step 4: Simplify right side
    15,803.74x = 152,559,748.05
  5. Step 5: Solve for x
    x = 152,559,748.05/15,803.74
  6. Step 6: Final answer
    x = 9,653.39

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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.