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Finding the Fourth Proportional to 65,830.55, 90,908.90 and 62,244.14

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Solution

The fourth proportional to 65,830.55, 90,908.90 and 62,244.14 is: 85,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.55 : 90,908.90 = 62,244.14 : x
  2. Step 2: Convert to fraction form
    65,830.55/90,908.90 = 62,244.14/x
  3. Step 3: Cross multiply
    65,830.55x = 90,908.90 × 62,244.14
  4. Step 4: Simplify right side
    65,830.55x = 5,658,546,477.01
  5. Step 5: Solve for x
    x = 5,658,546,477.01/65,830.55
  6. Step 6: Final answer
    x = 85,956.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.