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Finding the Fourth Proportional to 5,703.48, 8,555.72 and 1,543.47

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Solution

The fourth proportional to 5,703.48, 8,555.72 and 1,543.47 is: 2,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.48 : 8,555.72 = 1,543.47 : x
  2. Step 2: Convert to fraction form
    5,703.48/8,555.72 = 1,543.47/x
  3. Step 3: Cross multiply
    5,703.48x = 8,555.72 × 1,543.47
  4. Step 4: Simplify right side
    5,703.48x = 13,205,497.15
  5. Step 5: Solve for x
    x = 13,205,497.15/5,703.48
  6. Step 6: Final answer
    x = 2,315.34

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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.