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Finding the Fourth Proportional to 60,172.64, 90,259.36 and 15,799.04

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Solution

The fourth proportional to 60,172.64, 90,259.36 and 15,799.04 is: 23,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,172.64 : 90,259.36 = 15,799.04 : x
  2. Step 2: Convert to fraction form
    60,172.64/90,259.36 = 15,799.04/x
  3. Step 3: Cross multiply
    60,172.64x = 90,259.36 × 15,799.04
  4. Step 4: Simplify right side
    60,172.64x = 1,426,011,239.01
  5. Step 5: Solve for x
    x = 1,426,011,239.01/60,172.64
  6. Step 6: Final answer
    x = 23,698.67

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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.