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Finding the Fourth Proportional to 6,555.51, 9,782.93 and 5,854.86

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Solution

The fourth proportional to 6,555.51, 9,782.93 and 5,854.86 is: 8,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.51 : 9,782.93 = 5,854.86 : x
  2. Step 2: Convert to fraction form
    6,555.51/9,782.93 = 5,854.86/x
  3. Step 3: Cross multiply
    6,555.51x = 9,782.93 × 5,854.86
  4. Step 4: Simplify right side
    6,555.51x = 57,277,656.27
  5. Step 5: Solve for x
    x = 57,277,656.27/6,555.51
  6. Step 6: Final answer
    x = 8,737.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.