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Finding the Fourth Proportional to 52,518.40, 78,854.40 and 37,004.80

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Solution

The fourth proportional to 52,518.40, 78,854.40 and 37,004.80 is: 55,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,518.40 : 78,854.40 = 37,004.80 : x
  2. Step 2: Convert to fraction form
    52,518.40/78,854.40 = 37,004.80/x
  3. Step 3: Cross multiply
    52,518.40x = 78,854.40 × 37,004.80
  4. Step 4: Simplify right side
    52,518.40x = 2,917,991,301.12
  5. Step 5: Solve for x
    x = 2,917,991,301.12/52,518.40
  6. Step 6: Final answer
    x = 55,561.31

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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.