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Finding the Fourth Proportional to 58,417.80, 87,626.70 and 33,448.20

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Solution

The fourth proportional to 58,417.80, 87,626.70 and 33,448.20 is: 50,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,417.80 : 87,626.70 = 33,448.20 : x
  2. Step 2: Convert to fraction form
    58,417.80/87,626.70 = 33,448.20/x
  3. Step 3: Cross multiply
    58,417.80x = 87,626.70 × 33,448.20
  4. Step 4: Simplify right side
    58,417.80x = 2,930,955,386.94
  5. Step 5: Solve for x
    x = 2,930,955,386.94/58,417.80
  6. Step 6: Final answer
    x = 50,172.30

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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.