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Finding the Fourth Proportional to 8,585.46, 11,848.95 and 5,230.26

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Solution

The fourth proportional to 8,585.46, 11,848.95 and 5,230.26 is: 7,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.46 : 11,848.95 = 5,230.26 : x
  2. Step 2: Convert to fraction form
    8,585.46/11,848.95 = 5,230.26/x
  3. Step 3: Cross multiply
    8,585.46x = 11,848.95 × 5,230.26
  4. Step 4: Simplify right side
    8,585.46x = 61,973,089.23
  5. Step 5: Solve for x
    x = 61,973,089.23/8,585.46
  6. Step 6: Final answer
    x = 7,218.38

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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.