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Finding the Fourth Proportional to 25,068.58, 37,607.20 and 8,430.20

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Solution

The fourth proportional to 25,068.58, 37,607.20 and 8,430.20 is: 12,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,068.58 : 37,607.20 = 8,430.20 : x
  2. Step 2: Convert to fraction form
    25,068.58/37,607.20 = 8,430.20/x
  3. Step 3: Cross multiply
    25,068.58x = 37,607.20 × 8,430.20
  4. Step 4: Simplify right side
    25,068.58x = 317,036,217.44
  5. Step 5: Solve for x
    x = 317,036,217.44/25,068.58
  6. Step 6: Final answer
    x = 12,646.76

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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.