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Finding the Fourth Proportional to 60,555.68, 90,837.36 and 19,004.32

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Solution

The fourth proportional to 60,555.68, 90,837.36 and 19,004.32 is: 28,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555.68 : 90,837.36 = 19,004.32 : x
  2. Step 2: Convert to fraction form
    60,555.68/90,837.36 = 19,004.32/x
  3. Step 3: Cross multiply
    60,555.68x = 90,837.36 × 19,004.32
  4. Step 4: Simplify right side
    60,555.68x = 1,726,302,257.40
  5. Step 5: Solve for x
    x = 1,726,302,257.40/60,555.68
  6. Step 6: Final answer
    x = 28,507.69

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1.5x scale

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.