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Finding the Fourth Proportional to 35,373.70, 48,815.82 and 19,459.16

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Solution

The fourth proportional to 35,373.70, 48,815.82 and 19,459.16 is: 26,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.70 : 48,815.82 = 19,459.16 : x
  2. Step 2: Convert to fraction form
    35,373.70/48,815.82 = 19,459.16/x
  3. Step 3: Cross multiply
    35,373.70x = 48,815.82 × 19,459.16
  4. Step 4: Simplify right side
    35,373.70x = 949,914,851.91
  5. Step 5: Solve for x
    x = 949,914,851.91/35,373.70
  6. Step 6: Final answer
    x = 26,853.70

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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.