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Finding the Fourth Proportional to 53,673.08, 80,509.88 and 31,470.88

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Solution

The fourth proportional to 53,673.08, 80,509.88 and 31,470.88 is: 47,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.08 : 80,509.88 = 31,470.88 : x
  2. Step 2: Convert to fraction form
    53,673.08/80,509.88 = 31,470.88/x
  3. Step 3: Cross multiply
    53,673.08x = 80,509.88 × 31,470.88
  4. Step 4: Simplify right side
    53,673.08x = 2,533,716,772.29
  5. Step 5: Solve for x
    x = 2,533,716,772.29/53,673.08
  6. Step 6: Final answer
    x = 47,206.47

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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.