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Finding the Fourth Proportional to 58,656.25, 87,998.05 and 19,210.97

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Solution

The fourth proportional to 58,656.25, 87,998.05 and 19,210.97 is: 28,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,656.25 : 87,998.05 = 19,210.97 : x
  2. Step 2: Convert to fraction form
    58,656.25/87,998.05 = 19,210.97/x
  3. Step 3: Cross multiply
    58,656.25x = 87,998.05 × 19,210.97
  4. Step 4: Simplify right side
    58,656.25x = 1,690,528,034.56
  5. Step 5: Solve for x
    x = 1,690,528,034.56/58,656.25
  6. Step 6: Final answer
    x = 28,820.94

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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.