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Finding the Fourth Proportional to 60,004.80, 89,877.60 and 53,438.40

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Solution

The fourth proportional to 60,004.80, 89,877.60 and 53,438.40 is: 80,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,004.80 : 89,877.60 = 53,438.40 : x
  2. Step 2: Convert to fraction form
    60,004.80/89,877.60 = 53,438.40/x
  3. Step 3: Cross multiply
    60,004.80x = 89,877.60 × 53,438.40
  4. Step 4: Simplify right side
    60,004.80x = 4,802,915,139.84
  5. Step 5: Solve for x
    x = 4,802,915,139.84/60,004.80
  6. Step 6: Final answer
    x = 80,042.18

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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.