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Finding the Fourth Proportional to 25,065, 37,580.22 and 12,588.84

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Solution

The fourth proportional to 25,065, 37,580.22 and 12,588.84 is: 18,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065 : 37,580.22 = 12,588.84 : x
  2. Step 2: Convert to fraction form
    25,065/37,580.22 = 12,588.84/x
  3. Step 3: Cross multiply
    25,065x = 37,580.22 × 12,588.84
  4. Step 4: Simplify right side
    25,065x = 473,091,376.74
  5. Step 5: Solve for x
    x = 473,091,376.74/25,065
  6. Step 6: Final answer
    x = 18,874.58

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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.