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Finding the Fourth Proportional to 5,641.72, 8,463.95 and 1,746.13

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Solution

The fourth proportional to 5,641.72, 8,463.95 and 1,746.13 is: 2,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.72 : 8,463.95 = 1,746.13 : x
  2. Step 2: Convert to fraction form
    5,641.72/8,463.95 = 1,746.13/x
  3. Step 3: Cross multiply
    5,641.72x = 8,463.95 × 1,746.13
  4. Step 4: Simplify right side
    5,641.72x = 14,779,157.01
  5. Step 5: Solve for x
    x = 14,779,157.01/5,641.72
  6. Step 6: Final answer
    x = 2,619.62

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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.