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Finding the Fourth Proportional to 6,907.55, 9,534.48 and 4,923.86

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Solution

The fourth proportional to 6,907.55, 9,534.48 and 4,923.86 is: 6,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.55 : 9,534.48 = 4,923.86 : x
  2. Step 2: Convert to fraction form
    6,907.55/9,534.48 = 4,923.86/x
  3. Step 3: Cross multiply
    6,907.55x = 9,534.48 × 4,923.86
  4. Step 4: Simplify right side
    6,907.55x = 46,946,444.69
  5. Step 5: Solve for x
    x = 46,946,444.69/6,907.55
  6. Step 6: Final answer
    x = 6,796.40

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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.