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Finding the Fourth Proportional to 46,442, 69,663 and 13,610

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Solution

The fourth proportional to 46,442, 69,663 and 13,610 is: 20,415

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,442 : 69,663 = 13,610 : x
  2. Step 2: Convert to fraction form
    46,442/69,663 = 13,610/x
  3. Step 3: Cross multiply
    46,442x = 69,663 × 13,610
  4. Step 4: Simplify right side
    46,442x = 948,113,430
  5. Step 5: Solve for x
    x = 948,113,430/46,442
  6. Step 6: Final answer
    x = 20,415

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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.