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Finding the Fourth Proportional to 58,699.25, 81,004.70 and 31,841.77

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Solution

The fourth proportional to 58,699.25, 81,004.70 and 31,841.77 is: 43,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,699.25 : 81,004.70 = 31,841.77 : x
  2. Step 2: Convert to fraction form
    58,699.25/81,004.70 = 31,841.77/x
  3. Step 3: Cross multiply
    58,699.25x = 81,004.70 × 31,841.77
  4. Step 4: Simplify right side
    58,699.25x = 2,579,333,026.32
  5. Step 5: Solve for x
    x = 2,579,333,026.32/58,699.25
  6. Step 6: Final answer
    x = 43,941.50

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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.