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Finding the Fourth Proportional to 46,689.98, 70,021.30 and 18,600.70

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Solution

The fourth proportional to 46,689.98, 70,021.30 and 18,600.70 is: 27,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,689.98 : 70,021.30 = 18,600.70 : x
  2. Step 2: Convert to fraction form
    46,689.98/70,021.30 = 18,600.70/x
  3. Step 3: Cross multiply
    46,689.98x = 70,021.30 × 18,600.70
  4. Step 4: Simplify right side
    46,689.98x = 1,302,445,194.91
  5. Step 5: Solve for x
    x = 1,302,445,194.91/46,689.98
  6. Step 6: Final answer
    x = 27,895.60

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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.