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Finding the Fourth Proportional to 60,285.88, 90,484.64 and 30,725.74

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Solution

The fourth proportional to 60,285.88, 90,484.64 and 30,725.74 is: 46,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,285.88 : 90,484.64 = 30,725.74 : x
  2. Step 2: Convert to fraction form
    60,285.88/90,484.64 = 30,725.74/x
  3. Step 3: Cross multiply
    60,285.88x = 90,484.64 × 30,725.74
  4. Step 4: Simplify right side
    60,285.88x = 2,780,207,522.63
  5. Step 5: Solve for x
    x = 2,780,207,522.63/60,285.88
  6. Step 6: Final answer
    x = 46,117.06

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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.