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Finding the Fourth Proportional to 65,038.98, 97,567.76 and 20,064.12

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Solution

The fourth proportional to 65,038.98, 97,567.76 and 20,064.12 is: 30,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,038.98 : 97,567.76 = 20,064.12 : x
  2. Step 2: Convert to fraction form
    65,038.98/97,567.76 = 20,064.12/x
  3. Step 3: Cross multiply
    65,038.98x = 97,567.76 × 20,064.12
  4. Step 4: Simplify right side
    65,038.98x = 1,957,611,244.77
  5. Step 5: Solve for x
    x = 1,957,611,244.77/65,038.98
  6. Step 6: Final answer
    x = 30,099.05

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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.