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Finding the Fourth Proportional to 2,625.59, 3,624.74 and 1,916.67

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Solution

The fourth proportional to 2,625.59, 3,624.74 and 1,916.67 is: 2,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.59 : 3,624.74 = 1,916.67 : x
  2. Step 2: Convert to fraction form
    2,625.59/3,624.74 = 1,916.67/x
  3. Step 3: Cross multiply
    2,625.59x = 3,624.74 × 1,916.67
  4. Step 4: Simplify right side
    2,625.59x = 6,947,430.42
  5. Step 5: Solve for x
    x = 6,947,430.42/2,625.59
  6. Step 6: Final answer
    x = 2,646.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.