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Finding the Fourth Proportional to 60,002.80, 89,809.80 and 53,004.40

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Solution

The fourth proportional to 60,002.80, 89,809.80 and 53,004.40 is: 79,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.80 : 89,809.80 = 53,004.40 : x
  2. Step 2: Convert to fraction form
    60,002.80/89,809.80 = 53,004.40/x
  3. Step 3: Cross multiply
    60,002.80x = 89,809.80 × 53,004.40
  4. Step 4: Simplify right side
    60,002.80x = 4,760,314,563.12
  5. Step 5: Solve for x
    x = 4,760,314,563.12/60,002.80
  6. Step 6: Final answer
    x = 79,334.87

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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.