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Finding the Fourth Proportional to 46,762.38, 70,143.54 and 11,702.01

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Solution

The fourth proportional to 46,762.38, 70,143.54 and 11,702.01 is: 17,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,762.38 : 70,143.54 = 11,702.01 : x
  2. Step 2: Convert to fraction form
    46,762.38/70,143.54 = 11,702.01/x
  3. Step 3: Cross multiply
    46,762.38x = 70,143.54 × 11,702.01
  4. Step 4: Simplify right side
    46,762.38x = 820,820,406.52
  5. Step 5: Solve for x
    x = 820,820,406.52/46,762.38
  6. Step 6: Final answer
    x = 17,553.01

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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.