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Finding the Fourth Proportional to 46,642.21, 64,301.04 and 39,443.21

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Solution

The fourth proportional to 46,642.21, 64,301.04 and 39,443.21 is: 54,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,642.21 : 64,301.04 = 39,443.21 : x
  2. Step 2: Convert to fraction form
    46,642.21/64,301.04 = 39,443.21/x
  3. Step 3: Cross multiply
    46,642.21x = 64,301.04 × 39,443.21
  4. Step 4: Simplify right side
    46,642.21x = 2,536,239,423.94
  5. Step 5: Solve for x
    x = 2,536,239,423.94/46,642.21
  6. Step 6: Final answer
    x = 54,376.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.