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Finding the Fourth Proportional to 60,516.60, 90,774.90 and 43,798.20

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Solution

The fourth proportional to 60,516.60, 90,774.90 and 43,798.20 is: 65,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,516.60 : 90,774.90 = 43,798.20 : x
  2. Step 2: Convert to fraction form
    60,516.60/90,774.90 = 43,798.20/x
  3. Step 3: Cross multiply
    60,516.60x = 90,774.90 × 43,798.20
  4. Step 4: Simplify right side
    60,516.60x = 3,975,777,225.18
  5. Step 5: Solve for x
    x = 3,975,777,225.18/60,516.60
  6. Step 6: Final answer
    x = 65,697.30

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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.