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Finding the Fourth Proportional to 53,885.96, 80,703.60 and 52,017.20

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Solution

The fourth proportional to 53,885.96, 80,703.60 and 52,017.20 is: 77,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.96 : 80,703.60 = 52,017.20 : x
  2. Step 2: Convert to fraction form
    53,885.96/80,703.60 = 52,017.20/x
  3. Step 3: Cross multiply
    53,885.96x = 80,703.60 × 52,017.20
  4. Step 4: Simplify right side
    53,885.96x = 4,197,975,301.92
  5. Step 5: Solve for x
    x = 4,197,975,301.92/53,885.96
  6. Step 6: Final answer
    x = 77,904.81

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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.