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Finding the Fourth Proportional to 62,145.78, 85,762.85 and 33,853.29

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Solution

The fourth proportional to 62,145.78, 85,762.85 and 33,853.29 is: 46,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.78 : 85,762.85 = 33,853.29 : x
  2. Step 2: Convert to fraction form
    62,145.78/85,762.85 = 33,853.29/x
  3. Step 3: Cross multiply
    62,145.78x = 85,762.85 × 33,853.29
  4. Step 4: Simplify right side
    62,145.78x = 2,903,354,463.01
  5. Step 5: Solve for x
    x = 2,903,354,463.01/62,145.78
  6. Step 6: Final answer
    x = 46,718.45

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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.