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Finding the Fourth Proportional to 46,893.60, 70,329.36 and 13,604.88

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Solution

The fourth proportional to 46,893.60, 70,329.36 and 13,604.88 is: 20,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,893.60 : 70,329.36 = 13,604.88 : x
  2. Step 2: Convert to fraction form
    46,893.60/70,329.36 = 13,604.88/x
  3. Step 3: Cross multiply
    46,893.60x = 70,329.36 × 13,604.88
  4. Step 4: Simplify right side
    46,893.60x = 956,822,503.28
  5. Step 5: Solve for x
    x = 956,822,503.28/46,893.60
  6. Step 6: Final answer
    x = 20,404.12

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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.