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Finding the Fourth Proportional to 53,063.76, 79,911.66 and 46,220.88

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Solution

The fourth proportional to 53,063.76, 79,911.66 and 46,220.88 is: 69,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,063.76 : 79,911.66 = 46,220.88 : x
  2. Step 2: Convert to fraction form
    53,063.76/79,911.66 = 46,220.88/x
  3. Step 3: Cross multiply
    53,063.76x = 79,911.66 × 46,220.88
  4. Step 4: Simplify right side
    53,063.76x = 3,693,587,247.46
  5. Step 5: Solve for x
    x = 3,693,587,247.46/53,063.76
  6. Step 6: Final answer
    x = 69,606.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.