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Finding the Fourth Proportional to 60,798.65, 91,011.11 and 51,830.60

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Solution

The fourth proportional to 60,798.65, 91,011.11 and 51,830.60 is: 77,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,798.65 : 91,011.11 = 51,830.60 : x
  2. Step 2: Convert to fraction form
    60,798.65/91,011.11 = 51,830.60/x
  3. Step 3: Cross multiply
    60,798.65x = 91,011.11 × 51,830.60
  4. Step 4: Simplify right side
    60,798.65x = 4,717,159,723.76
  5. Step 5: Solve for x
    x = 4,717,159,723.76/60,798.65
  6. Step 6: Final answer
    x = 77,586.59

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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.