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Finding the Fourth Proportional to 55,000.10, 82,500.15 and 55,000.10

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Solution

The fourth proportional to 55,000.10, 82,500.15 and 55,000.10 is: 82,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.10 : 82,500.15 = 55,000.10 : x
  2. Step 2: Convert to fraction form
    55,000.10/82,500.15 = 55,000.10/x
  3. Step 3: Cross multiply
    55,000.10x = 82,500.15 × 55,000.10
  4. Step 4: Simplify right side
    55,000.10x = 4,537,516,500.02
  5. Step 5: Solve for x
    x = 4,537,516,500.02/55,000.10
  6. Step 6: Final answer
    x = 82,500.15

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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.