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Finding the Fourth Proportional to 53,479.88, 79,894.80 and 34,606.16

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Solution

The fourth proportional to 53,479.88, 79,894.80 and 34,606.16 is: 51,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.88 : 79,894.80 = 34,606.16 : x
  2. Step 2: Convert to fraction form
    53,479.88/79,894.80 = 34,606.16/x
  3. Step 3: Cross multiply
    53,479.88x = 79,894.80 × 34,606.16
  4. Step 4: Simplify right side
    53,479.88x = 2,764,852,058.94
  5. Step 5: Solve for x
    x = 2,764,852,058.94/53,479.88
  6. Step 6: Final answer
    x = 51,698.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.