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Finding the Fourth Proportional to 6,403.14, 8,835.93 and 3,570.93

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Solution

The fourth proportional to 6,403.14, 8,835.93 and 3,570.93 is: 4,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.14 : 8,835.93 = 3,570.93 : x
  2. Step 2: Convert to fraction form
    6,403.14/8,835.93 = 3,570.93/x
  3. Step 3: Cross multiply
    6,403.14x = 8,835.93 × 3,570.93
  4. Step 4: Simplify right side
    6,403.14x = 31,552,487.51
  5. Step 5: Solve for x
    x = 31,552,487.51/6,403.14
  6. Step 6: Final answer
    x = 4,927.66

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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.