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Finding the Fourth Proportional to 58,710.63, 81,019.94 and 31,852.94

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Solution

The fourth proportional to 58,710.63, 81,019.94 and 31,852.94 is: 43,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,710.63 : 81,019.94 = 31,852.94 : x
  2. Step 2: Convert to fraction form
    58,710.63/81,019.94 = 31,852.94/x
  3. Step 3: Cross multiply
    58,710.63x = 81,019.94 × 31,852.94
  4. Step 4: Simplify right side
    58,710.63x = 2,580,723,287.62
  5. Step 5: Solve for x
    x = 2,580,723,287.62/58,710.63
  6. Step 6: Final answer
    x = 43,956.66

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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.