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Finding the Fourth Proportional to 58,874.11, 88,314.21 and 19,434.31

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Solution

The fourth proportional to 58,874.11, 88,314.21 and 19,434.31 is: 29,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.11 : 88,314.21 = 19,434.31 : x
  2. Step 2: Convert to fraction form
    58,874.11/88,314.21 = 19,434.31/x
  3. Step 3: Cross multiply
    58,874.11x = 88,314.21 × 19,434.31
  4. Step 4: Simplify right side
    58,874.11x = 1,716,325,513.76
  5. Step 5: Solve for x
    x = 1,716,325,513.76/58,874.11
  6. Step 6: Final answer
    x = 29,152.47

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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.