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Finding the Fourth Proportional to 8,045.55, 12,068.33 and 7,498.80

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Solution

The fourth proportional to 8,045.55, 12,068.33 and 7,498.80 is: 11,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.55 : 12,068.33 = 7,498.80 : x
  2. Step 2: Convert to fraction form
    8,045.55/12,068.33 = 7,498.80/x
  3. Step 3: Cross multiply
    8,045.55x = 12,068.33 × 7,498.80
  4. Step 4: Simplify right side
    8,045.55x = 90,497,955.51
  5. Step 5: Solve for x
    x = 90,497,955.51/8,045.55
  6. Step 6: Final answer
    x = 11,248.20

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Similar ratio
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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.