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Finding the Fourth Proportional to 64,325.64, 96,491.16 and 17,578.38

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Solution

The fourth proportional to 64,325.64, 96,491.16 and 17,578.38 is: 26,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.64 : 96,491.16 = 17,578.38 : x
  2. Step 2: Convert to fraction form
    64,325.64/96,491.16 = 17,578.38/x
  3. Step 3: Cross multiply
    64,325.64x = 96,491.16 × 17,578.38
  4. Step 4: Simplify right side
    64,325.64x = 1,696,158,277.12
  5. Step 5: Solve for x
    x = 1,696,158,277.12/64,325.64
  6. Step 6: Final answer
    x = 26,368.31

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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.