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Finding the Fourth Proportional to 65,698.36, 98,529.52 and 23,570.64

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Solution

The fourth proportional to 65,698.36, 98,529.52 and 23,570.64 is: 35,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698.36 : 98,529.52 = 23,570.64 : x
  2. Step 2: Convert to fraction form
    65,698.36/98,529.52 = 23,570.64/x
  3. Step 3: Cross multiply
    65,698.36x = 98,529.52 × 23,570.64
  4. Step 4: Simplify right side
    65,698.36x = 2,322,403,845.29
  5. Step 5: Solve for x
    x = 2,322,403,845.29/65,698.36
  6. Step 6: Final answer
    x = 35,349.49

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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.