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Finding the Fourth Proportional to 58,990.59, 88,486.47 and 21,550.32

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Solution

The fourth proportional to 58,990.59, 88,486.47 and 21,550.32 is: 32,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,990.59 : 88,486.47 = 21,550.32 : x
  2. Step 2: Convert to fraction form
    58,990.59/88,486.47 = 21,550.32/x
  3. Step 3: Cross multiply
    58,990.59x = 88,486.47 × 21,550.32
  4. Step 4: Simplify right side
    58,990.59x = 1,906,911,744.17
  5. Step 5: Solve for x
    x = 1,906,911,744.17/58,990.59
  6. Step 6: Final answer
    x = 32,325.69

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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.