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Finding the Fourth Proportional to 35,459.85, 48,934.89 and 19,544.34

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Solution

The fourth proportional to 35,459.85, 48,934.89 and 19,544.34 is: 26,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.85 : 48,934.89 = 19,544.34 : x
  2. Step 2: Convert to fraction form
    35,459.85/48,934.89 = 19,544.34/x
  3. Step 3: Cross multiply
    35,459.85x = 48,934.89 × 19,544.34
  4. Step 4: Simplify right side
    35,459.85x = 956,400,128.02
  5. Step 5: Solve for x
    x = 956,400,128.02/35,459.85
  6. Step 6: Final answer
    x = 26,971.35

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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.