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Finding the Fourth Proportional to 44,293.62, 66,420.42 and 12,696.45

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Solution

The fourth proportional to 44,293.62, 66,420.42 and 12,696.45 is: 19,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,293.62 : 66,420.42 = 12,696.45 : x
  2. Step 2: Convert to fraction form
    44,293.62/66,420.42 = 12,696.45/x
  3. Step 3: Cross multiply
    44,293.62x = 66,420.42 × 12,696.45
  4. Step 4: Simplify right side
    44,293.62x = 843,303,541.51
  5. Step 5: Solve for x
    x = 843,303,541.51/44,293.62
  6. Step 6: Final answer
    x = 19,038.94

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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.