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Finding the Fourth Proportional to 64,145.36, 96,148.92 and 36,428.24

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Solution

The fourth proportional to 64,145.36, 96,148.92 and 36,428.24 is: 54,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.36 : 96,148.92 = 36,428.24 : x
  2. Step 2: Convert to fraction form
    64,145.36/96,148.92 = 36,428.24/x
  3. Step 3: Cross multiply
    64,145.36x = 96,148.92 × 36,428.24
  4. Step 4: Simplify right side
    64,145.36x = 3,502,535,933.50
  5. Step 5: Solve for x
    x = 3,502,535,933.50/64,145.36
  6. Step 6: Final answer
    x = 54,603.11

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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.