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Finding the Fourth Proportional to 57,853.98, 79,695.70 and 49,328.33

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Solution

The fourth proportional to 57,853.98, 79,695.70 and 49,328.33 is: 67,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.98 : 79,695.70 = 49,328.33 : x
  2. Step 2: Convert to fraction form
    57,853.98/79,695.70 = 49,328.33/x
  3. Step 3: Cross multiply
    57,853.98x = 79,695.70 × 49,328.33
  4. Step 4: Simplify right side
    57,853.98x = 3,931,255,267.38
  5. Step 5: Solve for x
    x = 3,931,255,267.38/57,853.98
  6. Step 6: Final answer
    x = 67,951.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.