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Finding the Fourth Proportional to 74,973.88, 112,460.88 and 19,569.88

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Solution

The fourth proportional to 74,973.88, 112,460.88 and 19,569.88 is: 29,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.88 : 112,460.88 = 19,569.88 : x
  2. Step 2: Convert to fraction form
    74,973.88/112,460.88 = 19,569.88/x
  3. Step 3: Cross multiply
    74,973.88x = 112,460.88 × 19,569.88
  4. Step 4: Simplify right side
    74,973.88x = 2,200,845,926.29
  5. Step 5: Solve for x
    x = 2,200,845,926.29/74,973.88
  6. Step 6: Final answer
    x = 29,354.84

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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.