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Finding the Fourth Proportional to 3,068.14, 4,602.23 and 876.89

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Solution

The fourth proportional to 3,068.14, 4,602.23 and 876.89 is: 1,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.14 : 4,602.23 = 876.89 : x
  2. Step 2: Convert to fraction form
    3,068.14/4,602.23 = 876.89/x
  3. Step 3: Cross multiply
    3,068.14x = 4,602.23 × 876.89
  4. Step 4: Simplify right side
    3,068.14x = 4,035,649.46
  5. Step 5: Solve for x
    x = 4,035,649.46/3,068.14
  6. Step 6: Final answer
    x = 1,315.34

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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.