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Finding the Fourth Proportional to 60,597.90, 90,888.21 and 19,039.50

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Solution

The fourth proportional to 60,597.90, 90,888.21 and 19,039.50 is: 28,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,597.90 : 90,888.21 = 19,039.50 : x
  2. Step 2: Convert to fraction form
    60,597.90/90,888.21 = 19,039.50/x
  3. Step 3: Cross multiply
    60,597.90x = 90,888.21 × 19,039.50
  4. Step 4: Simplify right side
    60,597.90x = 1,730,466,074.30
  5. Step 5: Solve for x
    x = 1,730,466,074.30/60,597.90
  6. Step 6: Final answer
    x = 28,556.54

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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.