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Finding the Fourth Proportional to 46,894.68, 70,348.95 and 13,610.43

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Solution

The fourth proportional to 46,894.68, 70,348.95 and 13,610.43 is: 20,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,894.68 : 70,348.95 = 13,610.43 : x
  2. Step 2: Convert to fraction form
    46,894.68/70,348.95 = 13,610.43/x
  3. Step 3: Cross multiply
    46,894.68x = 70,348.95 × 13,610.43
  4. Step 4: Simplify right side
    46,894.68x = 957,479,459.55
  5. Step 5: Solve for x
    x = 957,479,459.55/46,894.68
  6. Step 6: Final answer
    x = 20,417.66

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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.