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Finding the Fourth Proportional to 29,473.84, 40,686.44 and 17,538.28

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Solution

The fourth proportional to 29,473.84, 40,686.44 and 17,538.28 is: 24,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,473.84 : 40,686.44 = 17,538.28 : x
  2. Step 2: Convert to fraction form
    29,473.84/40,686.44 = 17,538.28/x
  3. Step 3: Cross multiply
    29,473.84x = 40,686.44 × 17,538.28
  4. Step 4: Simplify right side
    29,473.84x = 713,570,176.92
  5. Step 5: Solve for x
    x = 713,570,176.92/29,473.84
  6. Step 6: Final answer
    x = 24,210.29

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Double scale
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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.