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Finding the Fourth Proportional to 32,495.28, 48,742.93 and 11,718.78

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Solution

The fourth proportional to 32,495.28, 48,742.93 and 11,718.78 is: 17,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,495.28 : 48,742.93 = 11,718.78 : x
  2. Step 2: Convert to fraction form
    32,495.28/48,742.93 = 11,718.78/x
  3. Step 3: Cross multiply
    32,495.28x = 48,742.93 × 11,718.78
  4. Step 4: Simplify right side
    32,495.28x = 571,207,673.23
  5. Step 5: Solve for x
    x = 571,207,673.23/32,495.28
  6. Step 6: Final answer
    x = 17,578.17

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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.