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Finding the Fourth Proportional to 39,503.88, 59,255.82 and 17,312.22

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Solution

The fourth proportional to 39,503.88, 59,255.82 and 17,312.22 is: 25,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,503.88 : 59,255.82 = 17,312.22 : x
  2. Step 2: Convert to fraction form
    39,503.88/59,255.82 = 17,312.22/x
  3. Step 3: Cross multiply
    39,503.88x = 59,255.82 × 17,312.22
  4. Step 4: Simplify right side
    39,503.88x = 1,025,849,792.12
  5. Step 5: Solve for x
    x = 1,025,849,792.12/39,503.88
  6. Step 6: Final answer
    x = 25,968.33

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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.