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Finding the Fourth Proportional to 60,607.70, 90,925.85 and 19,054.70

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Solution

The fourth proportional to 60,607.70, 90,925.85 and 19,054.70 is: 28,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,607.70 : 90,925.85 = 19,054.70 : x
  2. Step 2: Convert to fraction form
    60,607.70/90,925.85 = 19,054.70/x
  3. Step 3: Cross multiply
    60,607.70x = 90,925.85 × 19,054.70
  4. Step 4: Simplify right side
    60,607.70x = 1,732,564,387.00
  5. Step 5: Solve for x
    x = 1,732,564,387.00/60,607.70
  6. Step 6: Final answer
    x = 28,586.54

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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.