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Finding the Fourth Proportional to 60,038.55, 90,059.65 and 20,595.09

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Solution

The fourth proportional to 60,038.55, 90,059.65 and 20,595.09 is: 30,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,038.55 : 90,059.65 = 20,595.09 : x
  2. Step 2: Convert to fraction form
    60,038.55/90,059.65 = 20,595.09/x
  3. Step 3: Cross multiply
    60,038.55x = 90,059.65 × 20,595.09
  4. Step 4: Simplify right side
    60,038.55x = 1,854,786,883.35
  5. Step 5: Solve for x
    x = 1,854,786,883.35/60,038.55
  6. Step 6: Final answer
    x = 30,893.27

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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.