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Finding the Fourth Proportional to 39,030.71, 58,546.22 and 9,448.50

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Solution

The fourth proportional to 39,030.71, 58,546.22 and 9,448.50 is: 14,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.71 : 58,546.22 = 9,448.50 : x
  2. Step 2: Convert to fraction form
    39,030.71/58,546.22 = 9,448.50/x
  3. Step 3: Cross multiply
    39,030.71x = 58,546.22 × 9,448.50
  4. Step 4: Simplify right side
    39,030.71x = 553,173,619.70
  5. Step 5: Solve for x
    x = 553,173,619.70/39,030.71
  6. Step 6: Final answer
    x = 14,172.78

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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.