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Finding the Fourth Proportional to 38,597.07, 57,899.79 and 12,295.74

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Solution

The fourth proportional to 38,597.07, 57,899.79 and 12,295.74 is: 18,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,597.07 : 57,899.79 = 12,295.74 : x
  2. Step 2: Convert to fraction form
    38,597.07/57,899.79 = 12,295.74/x
  3. Step 3: Cross multiply
    38,597.07x = 57,899.79 × 12,295.74
  4. Step 4: Simplify right side
    38,597.07x = 711,920,763.89
  5. Step 5: Solve for x
    x = 711,920,763.89/38,597.07
  6. Step 6: Final answer
    x = 18,444.94

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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.