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Finding the Fourth Proportional to 45,698.40, 68,552.40 and 14,526.40

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Solution

The fourth proportional to 45,698.40, 68,552.40 and 14,526.40 is: 21,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,698.40 : 68,552.40 = 14,526.40 : x
  2. Step 2: Convert to fraction form
    45,698.40/68,552.40 = 14,526.40/x
  3. Step 3: Cross multiply
    45,698.40x = 68,552.40 × 14,526.40
  4. Step 4: Simplify right side
    45,698.40x = 995,819,583.36
  5. Step 5: Solve for x
    x = 995,819,583.36/45,698.40
  6. Step 6: Final answer
    x = 21,791.13

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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.