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Finding the Fourth Proportional to 29,342.58, 40,492.48 and 15,914.13

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Solution

The fourth proportional to 29,342.58, 40,492.48 and 15,914.13 is: 21,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.58 : 40,492.48 = 15,914.13 : x
  2. Step 2: Convert to fraction form
    29,342.58/40,492.48 = 15,914.13/x
  3. Step 3: Cross multiply
    29,342.58x = 40,492.48 × 15,914.13
  4. Step 4: Simplify right side
    29,342.58x = 644,402,590.74
  5. Step 5: Solve for x
    x = 644,402,590.74/29,342.58
  6. Step 6: Final answer
    x = 21,961.35

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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.