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Finding the Fourth Proportional to 53,488.79, 80,216.76 and 36,955.07

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Solution

The fourth proportional to 53,488.79, 80,216.76 and 36,955.07 is: 55,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.79 : 80,216.76 = 36,955.07 : x
  2. Step 2: Convert to fraction form
    53,488.79/80,216.76 = 36,955.07/x
  3. Step 3: Cross multiply
    53,488.79x = 80,216.76 × 36,955.07
  4. Step 4: Simplify right side
    53,488.79x = 2,964,415,980.97
  5. Step 5: Solve for x
    x = 2,964,415,980.97/53,488.79
  6. Step 6: Final answer
    x = 55,421.26

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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.