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Finding the Fourth Proportional to 75,633.88, 104,384.54 and 43,381.08

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Solution

The fourth proportional to 75,633.88, 104,384.54 and 43,381.08 is: 59,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.88 : 104,384.54 = 43,381.08 : x
  2. Step 2: Convert to fraction form
    75,633.88/104,384.54 = 43,381.08/x
  3. Step 3: Cross multiply
    75,633.88x = 104,384.54 × 43,381.08
  4. Step 4: Simplify right side
    75,633.88x = 4,528,314,080.50
  5. Step 5: Solve for x
    x = 4,528,314,080.50/75,633.88
  6. Step 6: Final answer
    x = 59,871.50

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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.