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Finding the Fourth Proportional to 60,573.94, 90,875.56 and 19,020.94

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Solution

The fourth proportional to 60,573.94, 90,875.56 and 19,020.94 is: 28,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.94 : 90,875.56 = 19,020.94 : x
  2. Step 2: Convert to fraction form
    60,573.94/90,875.56 = 19,020.94/x
  3. Step 3: Cross multiply
    60,573.94x = 90,875.56 × 19,020.94
  4. Step 4: Simplify right side
    60,573.94x = 1,728,538,574.23
  5. Step 5: Solve for x
    x = 1,728,538,574.23/60,573.94
  6. Step 6: Final answer
    x = 28,536.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.