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Finding the Fourth Proportional to 60,513.09, 90,644.79 and 35,477.10

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Solution

The fourth proportional to 60,513.09, 90,644.79 and 35,477.10 is: 53,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,513.09 : 90,644.79 = 35,477.10 : x
  2. Step 2: Convert to fraction form
    60,513.09/90,644.79 = 35,477.10/x
  3. Step 3: Cross multiply
    60,513.09x = 90,644.79 × 35,477.10
  4. Step 4: Simplify right side
    60,513.09x = 3,215,814,279.31
  5. Step 5: Solve for x
    x = 3,215,814,279.31/60,513.09
  6. Step 6: Final answer
    x = 53,142.46

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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.