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Finding the Fourth Proportional to 65,026.76, 97,543.51 and 20,656.98

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Solution

The fourth proportional to 65,026.76, 97,543.51 and 20,656.98 is: 30,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,026.76 : 97,543.51 = 20,656.98 : x
  2. Step 2: Convert to fraction form
    65,026.76/97,543.51 = 20,656.98/x
  3. Step 3: Cross multiply
    65,026.76x = 97,543.51 × 20,656.98
  4. Step 4: Simplify right side
    65,026.76x = 2,014,954,283.56
  5. Step 5: Solve for x
    x = 2,014,954,283.56/65,026.76
  6. Step 6: Final answer
    x = 30,986.54

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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.