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Finding the Fourth Proportional to 12,596.93, 18,869.46 and 7,390.25

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Solution

The fourth proportional to 12,596.93, 18,869.46 and 7,390.25 is: 11,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.93 : 18,869.46 = 7,390.25 : x
  2. Step 2: Convert to fraction form
    12,596.93/18,869.46 = 7,390.25/x
  3. Step 3: Cross multiply
    12,596.93x = 18,869.46 × 7,390.25
  4. Step 4: Simplify right side
    12,596.93x = 139,450,026.77
  5. Step 5: Solve for x
    x = 139,450,026.77/12,596.93
  6. Step 6: Final answer
    x = 11,070.16

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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.