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Finding the Fourth Proportional to 7,899.60, 10,901.44 and 4,543.07

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Solution

The fourth proportional to 7,899.60, 10,901.44 and 4,543.07 is: 6,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.60 : 10,901.44 = 4,543.07 : x
  2. Step 2: Convert to fraction form
    7,899.60/10,901.44 = 4,543.07/x
  3. Step 3: Cross multiply
    7,899.60x = 10,901.44 × 4,543.07
  4. Step 4: Simplify right side
    7,899.60x = 49,526,005.02
  5. Step 5: Solve for x
    x = 49,526,005.02/7,899.60
  6. Step 6: Final answer
    x = 6,269.43

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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.