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Finding the Fourth Proportional to 58,690.68, 88,042.86 and 21,268.38

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Solution

The fourth proportional to 58,690.68, 88,042.86 and 21,268.38 is: 31,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,690.68 : 88,042.86 = 21,268.38 : x
  2. Step 2: Convert to fraction form
    58,690.68/88,042.86 = 21,268.38/x
  3. Step 3: Cross multiply
    58,690.68x = 88,042.86 × 21,268.38
  4. Step 4: Simplify right side
    58,690.68x = 1,872,529,002.77
  5. Step 5: Solve for x
    x = 1,872,529,002.77/58,690.68
  6. Step 6: Final answer
    x = 31,905.05

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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.