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Finding the Fourth Proportional to 65,007.66, 97,523.60 and 20,622.45

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Solution

The fourth proportional to 65,007.66, 97,523.60 and 20,622.45 is: 30,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.66 : 97,523.60 = 20,622.45 : x
  2. Step 2: Convert to fraction form
    65,007.66/97,523.60 = 20,622.45/x
  3. Step 3: Cross multiply
    65,007.66x = 97,523.60 × 20,622.45
  4. Step 4: Simplify right side
    65,007.66x = 2,011,175,461.71
  5. Step 5: Solve for x
    x = 2,011,175,461.71/65,007.66
  6. Step 6: Final answer
    x = 30,937.52

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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.