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Finding the Fourth Proportional to 3,068.34, 4,603.31 and 877.24

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Solution

The fourth proportional to 3,068.34, 4,603.31 and 877.24 is: 1,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.34 : 4,603.31 = 877.24 : x
  2. Step 2: Convert to fraction form
    3,068.34/4,603.31 = 877.24/x
  3. Step 3: Cross multiply
    3,068.34x = 4,603.31 × 877.24
  4. Step 4: Simplify right side
    3,068.34x = 4,038,207.66
  5. Step 5: Solve for x
    x = 4,038,207.66/3,068.34
  6. Step 6: Final answer
    x = 1,316.09

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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.