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Finding the Fourth Proportional to 64,651.36, 96,977.04 and 17,903.20

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Solution

The fourth proportional to 64,651.36, 96,977.04 and 17,903.20 is: 26,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,651.36 : 96,977.04 = 17,903.20 : x
  2. Step 2: Convert to fraction form
    64,651.36/96,977.04 = 17,903.20/x
  3. Step 3: Cross multiply
    64,651.36x = 96,977.04 × 17,903.20
  4. Step 4: Simplify right side
    64,651.36x = 1,736,199,342.53
  5. Step 5: Solve for x
    x = 1,736,199,342.53/64,651.36
  6. Step 6: Final answer
    x = 26,854.80

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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.