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Finding the Fourth Proportional to 65,804.57, 90,811.04 and 35,590.49

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Solution

The fourth proportional to 65,804.57, 90,811.04 and 35,590.49 is: 49,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,804.57 : 90,811.04 = 35,590.49 : x
  2. Step 2: Convert to fraction form
    65,804.57/90,811.04 = 35,590.49/x
  3. Step 3: Cross multiply
    65,804.57x = 90,811.04 × 35,590.49
  4. Step 4: Simplify right side
    65,804.57x = 3,232,008,779.00
  5. Step 5: Solve for x
    x = 3,232,008,779.00/65,804.57
  6. Step 6: Final answer
    x = 49,115.27

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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.