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Finding the Fourth Proportional to 65,996.47, 91,051.29 and 43,347.76

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Solution

The fourth proportional to 65,996.47, 91,051.29 and 43,347.76 is: 59,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,996.47 : 91,051.29 = 43,347.76 : x
  2. Step 2: Convert to fraction form
    65,996.47/91,051.29 = 43,347.76/x
  3. Step 3: Cross multiply
    65,996.47x = 91,051.29 × 43,347.76
  4. Step 4: Simplify right side
    65,996.47x = 3,946,869,238.98
  5. Step 5: Solve for x
    x = 3,946,869,238.98/65,996.47
  6. Step 6: Final answer
    x = 59,804.25

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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.