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Finding the Fourth Proportional to 58,972.40, 88,458.60 and 58,000.40

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Solution

The fourth proportional to 58,972.40, 88,458.60 and 58,000.40 is: 87,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,972.40 : 88,458.60 = 58,000.40 : x
  2. Step 2: Convert to fraction form
    58,972.40/88,458.60 = 58,000.40/x
  3. Step 3: Cross multiply
    58,972.40x = 88,458.60 × 58,000.40
  4. Step 4: Simplify right side
    58,972.40x = 5,130,634,183.44
  5. Step 5: Solve for x
    x = 5,130,634,183.44/58,972.40
  6. Step 6: Final answer
    x = 87,000.60

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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.