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Finding the Fourth Proportional to 53,073.48, 79,480.62 and 51,673.80

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Solution

The fourth proportional to 53,073.48, 79,480.62 and 51,673.80 is: 77,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,073.48 : 79,480.62 = 51,673.80 : x
  2. Step 2: Convert to fraction form
    53,073.48/79,480.62 = 51,673.80/x
  3. Step 3: Cross multiply
    53,073.48x = 79,480.62 × 51,673.80
  4. Step 4: Simplify right side
    53,073.48x = 4,107,065,661.76
  5. Step 5: Solve for x
    x = 4,107,065,661.76/53,073.48
  6. Step 6: Final answer
    x = 77,384.52

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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.