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Finding the Fourth Proportional to 59,070.69, 81,424.60 and 49,493.65

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Solution

The fourth proportional to 59,070.69, 81,424.60 and 49,493.65 is: 68,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,070.69 : 81,424.60 = 49,493.65 : x
  2. Step 2: Convert to fraction form
    59,070.69/81,424.60 = 49,493.65/x
  3. Step 3: Cross multiply
    59,070.69x = 81,424.60 × 49,493.65
  4. Step 4: Simplify right side
    59,070.69x = 4,030,000,653.79
  5. Step 5: Solve for x
    x = 4,030,000,653.79/59,070.69
  6. Step 6: Final answer
    x = 68,223.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.