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Finding the Fourth Proportional to 44,188.78, 66,283.55 and 12,598.78

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Solution

The fourth proportional to 44,188.78, 66,283.55 and 12,598.78 is: 18,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,188.78 : 66,283.55 = 12,598.78 : x
  2. Step 2: Convert to fraction form
    44,188.78/66,283.55 = 12,598.78/x
  3. Step 3: Cross multiply
    44,188.78x = 66,283.55 × 12,598.78
  4. Step 4: Simplify right side
    44,188.78x = 835,091,864.07
  5. Step 5: Solve for x
    x = 835,091,864.07/44,188.78
  6. Step 6: Final answer
    x = 18,898.28

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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.