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Finding the Fourth Proportional to 65,007.70, 97,511.55 and 53,926.90

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Solution

The fourth proportional to 65,007.70, 97,511.55 and 53,926.90 is: 80,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.70 : 97,511.55 = 53,926.90 : x
  2. Step 2: Convert to fraction form
    65,007.70/97,511.55 = 53,926.90/x
  3. Step 3: Cross multiply
    65,007.70x = 97,511.55 × 53,926.90
  4. Step 4: Simplify right side
    65,007.70x = 5,258,495,605.70
  5. Step 5: Solve for x
    x = 5,258,495,605.70/65,007.70
  6. Step 6: Final answer
    x = 80,890.35

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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.