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Finding the Fourth Proportional to 44,541.03, 66,821.12 and 12,951.64

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Solution

The fourth proportional to 44,541.03, 66,821.12 and 12,951.64 is: 19,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,541.03 : 66,821.12 = 12,951.64 : x
  2. Step 2: Convert to fraction form
    44,541.03/66,821.12 = 12,951.64/x
  3. Step 3: Cross multiply
    44,541.03x = 66,821.12 × 12,951.64
  4. Step 4: Simplify right side
    44,541.03x = 865,443,090.64
  5. Step 5: Solve for x
    x = 865,443,090.64/44,541.03
  6. Step 6: Final answer
    x = 19,430.24

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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.