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Finding the Fourth Proportional to 12,073.33, 18,088.88 and 8,377.91

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Solution

The fourth proportional to 12,073.33, 18,088.88 and 8,377.91 is: 12,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.33 : 18,088.88 = 8,377.91 : x
  2. Step 2: Convert to fraction form
    12,073.33/18,088.88 = 8,377.91/x
  3. Step 3: Cross multiply
    12,073.33x = 18,088.88 × 8,377.91
  4. Step 4: Simplify right side
    12,073.33x = 151,547,008.64
  5. Step 5: Solve for x
    x = 151,547,008.64/12,073.33
  6. Step 6: Final answer
    x = 12,552.21

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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.