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Finding the Fourth Proportional to 29,034.68, 40,068.28 and 16,934.82

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Solution

The fourth proportional to 29,034.68, 40,068.28 and 16,934.82 is: 23,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,034.68 : 40,068.28 = 16,934.82 : x
  2. Step 2: Convert to fraction form
    29,034.68/40,068.28 = 16,934.82/x
  3. Step 3: Cross multiply
    29,034.68x = 40,068.28 × 16,934.82
  4. Step 4: Simplify right side
    29,034.68x = 678,549,109.51
  5. Step 5: Solve for x
    x = 678,549,109.51/29,034.68
  6. Step 6: Final answer
    x = 23,370.30

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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.