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Finding the Fourth Proportional to 6,602.86, 9,888.64 and 5,732.51

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Solution

The fourth proportional to 6,602.86, 9,888.64 and 5,732.51 is: 8,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.86 : 9,888.64 = 5,732.51 : x
  2. Step 2: Convert to fraction form
    6,602.86/9,888.64 = 5,732.51/x
  3. Step 3: Cross multiply
    6,602.86x = 9,888.64 × 5,732.51
  4. Step 4: Simplify right side
    6,602.86x = 56,686,787.65
  5. Step 5: Solve for x
    x = 56,686,787.65/6,602.86
  6. Step 6: Final answer
    x = 8,585.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.