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Finding the Fourth Proportional to 53,801.76, 74,242.80 and 29,926.80

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Solution

The fourth proportional to 53,801.76, 74,242.80 and 29,926.80 is: 41,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,801.76 : 74,242.80 = 29,926.80 : x
  2. Step 2: Convert to fraction form
    53,801.76/74,242.80 = 29,926.80/x
  3. Step 3: Cross multiply
    53,801.76x = 74,242.80 × 29,926.80
  4. Step 4: Simplify right side
    53,801.76x = 2,221,849,427.04
  5. Step 5: Solve for x
    x = 2,221,849,427.04/53,801.76
  6. Step 6: Final answer
    x = 41,296.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.