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Finding the Fourth Proportional to 65,580.68, 90,501.62 and 35,773.32

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Solution

The fourth proportional to 65,580.68, 90,501.62 and 35,773.32 is: 49,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,580.68 : 90,501.62 = 35,773.32 : x
  2. Step 2: Convert to fraction form
    65,580.68/90,501.62 = 35,773.32/x
  3. Step 3: Cross multiply
    65,580.68x = 90,501.62 × 35,773.32
  4. Step 4: Simplify right side
    65,580.68x = 3,237,543,412.78
  5. Step 5: Solve for x
    x = 3,237,543,412.78/65,580.68
  6. Step 6: Final answer
    x = 49,367.34

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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.