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Finding the Fourth Proportional to 60,118.50, 90,192.60 and 18,565.50

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Solution

The fourth proportional to 60,118.50, 90,192.60 and 18,565.50 is: 27,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,118.50 : 90,192.60 = 18,565.50 : x
  2. Step 2: Convert to fraction form
    60,118.50/90,192.60 = 18,565.50/x
  3. Step 3: Cross multiply
    60,118.50x = 90,192.60 × 18,565.50
  4. Step 4: Simplify right side
    60,118.50x = 1,674,470,715.30
  5. Step 5: Solve for x
    x = 1,674,470,715.30/60,118.50
  6. Step 6: Final answer
    x = 27,852.84

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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.