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Finding the Fourth Proportional to 60,534.40, 90,801.60 and 29,430.40

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Solution

The fourth proportional to 60,534.40, 90,801.60 and 29,430.40 is: 44,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,534.40 : 90,801.60 = 29,430.40 : x
  2. Step 2: Convert to fraction form
    60,534.40/90,801.60 = 29,430.40/x
  3. Step 3: Cross multiply
    60,534.40x = 90,801.60 × 29,430.40
  4. Step 4: Simplify right side
    60,534.40x = 2,672,327,408.64
  5. Step 5: Solve for x
    x = 2,672,327,408.64/60,534.40
  6. Step 6: Final answer
    x = 44,145.60

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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.