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Finding the Fourth Proportional to 60,000.40, 89,903.40 and 56,501.20

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Solution

The fourth proportional to 60,000.40, 89,903.40 and 56,501.20 is: 84,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.40 : 89,903.40 = 56,501.20 : x
  2. Step 2: Convert to fraction form
    60,000.40/89,903.40 = 56,501.20/x
  3. Step 3: Cross multiply
    60,000.40x = 89,903.40 × 56,501.20
  4. Step 4: Simplify right side
    60,000.40x = 5,079,649,984.08
  5. Step 5: Solve for x
    x = 5,079,649,984.08/60,000.40
  6. Step 6: Final answer
    x = 84,660.27

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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.