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Finding the Fourth Proportional to 45,302.58, 67,948.58 and 12,025.23

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Solution

The fourth proportional to 45,302.58, 67,948.58 and 12,025.23 is: 18,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.58 : 67,948.58 = 12,025.23 : x
  2. Step 2: Convert to fraction form
    45,302.58/67,948.58 = 12,025.23/x
  3. Step 3: Cross multiply
    45,302.58x = 67,948.58 × 12,025.23
  4. Step 4: Simplify right side
    45,302.58x = 817,096,962.93
  5. Step 5: Solve for x
    x = 817,096,962.93/45,302.58
  6. Step 6: Final answer
    x = 18,036.44

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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.