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Finding the Fourth Proportional to 56,423.16, 77,843.12 and 33,762.68

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Solution

The fourth proportional to 56,423.16, 77,843.12 and 33,762.68 is: 46,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.16 : 77,843.12 = 33,762.68 : x
  2. Step 2: Convert to fraction form
    56,423.16/77,843.12 = 33,762.68/x
  3. Step 3: Cross multiply
    56,423.16x = 77,843.12 × 33,762.68
  4. Step 4: Simplify right side
    56,423.16x = 2,628,192,350.76
  5. Step 5: Solve for x
    x = 2,628,192,350.76/56,423.16
  6. Step 6: Final answer
    x = 46,580.03

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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.