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Finding the Fourth Proportional to 35,461.56, 48,939.88 and 19,549.12

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Solution

The fourth proportional to 35,461.56, 48,939.88 and 19,549.12 is: 26,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,461.56 : 48,939.88 = 19,549.12 : x
  2. Step 2: Convert to fraction form
    35,461.56/48,939.88 = 19,549.12/x
  3. Step 3: Cross multiply
    35,461.56x = 48,939.88 × 19,549.12
  4. Step 4: Simplify right side
    35,461.56x = 956,731,586.91
  5. Step 5: Solve for x
    x = 956,731,586.91/35,461.56
  6. Step 6: Final answer
    x = 26,979.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.