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Finding the Fourth Proportional to 29,302.76, 40,437.84 and 17,372

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Solution

The fourth proportional to 29,302.76, 40,437.84 and 17,372 is: 23,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.76 : 40,437.84 = 17,372 : x
  2. Step 2: Convert to fraction form
    29,302.76/40,437.84 = 17,372/x
  3. Step 3: Cross multiply
    29,302.76x = 40,437.84 × 17,372
  4. Step 4: Simplify right side
    29,302.76x = 702,486,156.48
  5. Step 5: Solve for x
    x = 702,486,156.48/29,302.76
  6. Step 6: Final answer
    x = 23,973.38

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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.