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Finding the Fourth Proportional to 60,607.04, 90,910.60 and 19,054.04

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Solution

The fourth proportional to 60,607.04, 90,910.60 and 19,054.04 is: 28,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,607.04 : 90,910.60 = 19,054.04 : x
  2. Step 2: Convert to fraction form
    60,607.04/90,910.60 = 19,054.04/x
  3. Step 3: Cross multiply
    60,607.04x = 90,910.60 × 19,054.04
  4. Step 4: Simplify right side
    60,607.04x = 1,732,213,813.81
  5. Step 5: Solve for x
    x = 1,732,213,813.81/60,607.04
  6. Step 6: Final answer
    x = 28,581.07

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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.