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Finding the Fourth Proportional to 64,574.64, 96,886.80 and 25,159.68

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Solution

The fourth proportional to 64,574.64, 96,886.80 and 25,159.68 is: 37,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,574.64 : 96,886.80 = 25,159.68 : x
  2. Step 2: Convert to fraction form
    64,574.64/96,886.80 = 25,159.68/x
  3. Step 3: Cross multiply
    64,574.64x = 96,886.80 × 25,159.68
  4. Step 4: Simplify right side
    64,574.64x = 2,437,640,884.22
  5. Step 5: Solve for x
    x = 2,437,640,884.22/64,574.64
  6. Step 6: Final answer
    x = 37,749.20

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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.