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Finding the Fourth Proportional to 60,550.61, 90,838.07 and 21,097.13

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Solution

The fourth proportional to 60,550.61, 90,838.07 and 21,097.13 is: 31,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,550.61 : 90,838.07 = 21,097.13 : x
  2. Step 2: Convert to fraction form
    60,550.61/90,838.07 = 21,097.13/x
  3. Step 3: Cross multiply
    60,550.61x = 90,838.07 × 21,097.13
  4. Step 4: Simplify right side
    60,550.61x = 1,916,422,012.06
  5. Step 5: Solve for x
    x = 1,916,422,012.06/60,550.61
  6. Step 6: Final answer
    x = 31,649.92

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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.