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Finding the Fourth Proportional to 58,626, 80,918.64 and 33,490.08

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Solution

The fourth proportional to 58,626, 80,918.64 and 33,490.08 is: 46,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,626 : 80,918.64 = 33,490.08 : x
  2. Step 2: Convert to fraction form
    58,626/80,918.64 = 33,490.08/x
  3. Step 3: Cross multiply
    58,626x = 80,918.64 × 33,490.08
  4. Step 4: Simplify right side
    58,626x = 2,709,971,727.09
  5. Step 5: Solve for x
    x = 2,709,971,727.09/58,626
  6. Step 6: Final answer
    x = 46,224.74

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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.