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Finding the Fourth Proportional to 56,346.40, 84,508.80 and 16,904.80

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Solution

The fourth proportional to 56,346.40, 84,508.80 and 16,904.80 is: 25,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.40 : 84,508.80 = 16,904.80 : x
  2. Step 2: Convert to fraction form
    56,346.40/84,508.80 = 16,904.80/x
  3. Step 3: Cross multiply
    56,346.40x = 84,508.80 × 16,904.80
  4. Step 4: Simplify right side
    56,346.40x = 1,428,604,362.24
  5. Step 5: Solve for x
    x = 1,428,604,362.24/56,346.40
  6. Step 6: Final answer
    x = 25,353.96

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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.