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Finding the Fourth Proportional to 34,984.92, 52,484.87 and 12,798.21

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Solution

The fourth proportional to 34,984.92, 52,484.87 and 12,798.21 is: 19,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.92 : 52,484.87 = 12,798.21 : x
  2. Step 2: Convert to fraction form
    34,984.92/52,484.87 = 12,798.21/x
  3. Step 3: Cross multiply
    34,984.92x = 52,484.87 × 12,798.21
  4. Step 4: Simplify right side
    34,984.92x = 671,712,388.08
  5. Step 5: Solve for x
    x = 671,712,388.08/34,984.92
  6. Step 6: Final answer
    x = 19,200.05

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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.