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Finding the Fourth Proportional to 69,389.84, 104,126.30 and 29,946.98

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Solution

The fourth proportional to 69,389.84, 104,126.30 and 29,946.98 is: 44,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,389.84 : 104,126.30 = 29,946.98 : x
  2. Step 2: Convert to fraction form
    69,389.84/104,126.30 = 29,946.98/x
  3. Step 3: Cross multiply
    69,389.84x = 104,126.30 × 29,946.98
  4. Step 4: Simplify right side
    69,389.84x = 3,118,268,223.57
  5. Step 5: Solve for x
    x = 3,118,268,223.57/69,389.84
  6. Step 6: Final answer
    x = 44,938.40

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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.