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Finding the Fourth Proportional to 29,377.68, 40,538.52 and 16,802.16

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Solution

The fourth proportional to 29,377.68, 40,538.52 and 16,802.16 is: 23,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,377.68 : 40,538.52 = 16,802.16 : x
  2. Step 2: Convert to fraction form
    29,377.68/40,538.52 = 16,802.16/x
  3. Step 3: Cross multiply
    29,377.68x = 40,538.52 × 16,802.16
  4. Step 4: Simplify right side
    29,377.68x = 681,134,699.20
  5. Step 5: Solve for x
    x = 681,134,699.20/29,377.68
  6. Step 6: Final answer
    x = 23,185.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.