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Finding the Fourth Proportional to 32,805.79, 49,216.50 and 10,619.17

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Solution

The fourth proportional to 32,805.79, 49,216.50 and 10,619.17 is: 15,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.79 : 49,216.50 = 10,619.17 : x
  2. Step 2: Convert to fraction form
    32,805.79/49,216.50 = 10,619.17/x
  3. Step 3: Cross multiply
    32,805.79x = 49,216.50 × 10,619.17
  4. Step 4: Simplify right side
    32,805.79x = 522,638,327.21
  5. Step 5: Solve for x
    x = 522,638,327.21/32,805.79
  6. Step 6: Final answer
    x = 15,931.28

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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.