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Finding the Fourth Proportional to 60,348.51, 90,522.77 and 18,798.75

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Solution

The fourth proportional to 60,348.51, 90,522.77 and 18,798.75 is: 28,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,348.51 : 90,522.77 = 18,798.75 : x
  2. Step 2: Convert to fraction form
    60,348.51/90,522.77 = 18,798.75/x
  3. Step 3: Cross multiply
    60,348.51x = 90,522.77 × 18,798.75
  4. Step 4: Simplify right side
    60,348.51x = 1,701,714,828.54
  5. Step 5: Solve for x
    x = 1,701,714,828.54/60,348.51
  6. Step 6: Final answer
    x = 28,198.13

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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.