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Finding the Fourth Proportional to 5,364.93, 7,385.70 and 4,615.86

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Solution

The fourth proportional to 5,364.93, 7,385.70 and 4,615.86 is: 6,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.93 : 7,385.70 = 4,615.86 : x
  2. Step 2: Convert to fraction form
    5,364.93/7,385.70 = 4,615.86/x
  3. Step 3: Cross multiply
    5,364.93x = 7,385.70 × 4,615.86
  4. Step 4: Simplify right side
    5,364.93x = 34,091,357.20
  5. Step 5: Solve for x
    x = 34,091,357.20/5,364.93
  6. Step 6: Final answer
    x = 6,354.48

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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.