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Finding the Fourth Proportional to 58,913.70, 81,289.71 and 35,046.42

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Solution

The fourth proportional to 58,913.70, 81,289.71 and 35,046.42 is: 48,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,913.70 : 81,289.71 = 35,046.42 : x
  2. Step 2: Convert to fraction form
    58,913.70/81,289.71 = 35,046.42/x
  3. Step 3: Cross multiply
    58,913.70x = 81,289.71 × 35,046.42
  4. Step 4: Simplify right side
    58,913.70x = 2,848,913,318.34
  5. Step 5: Solve for x
    x = 2,848,913,318.34/58,913.70
  6. Step 6: Final answer
    x = 48,357.40

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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.