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Finding the Fourth Proportional to 29,437.60, 40,609.60 and 17,492.48

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Solution

The fourth proportional to 29,437.60, 40,609.60 and 17,492.48 is: 24,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,437.60 : 40,609.60 = 17,492.48 : x
  2. Step 2: Convert to fraction form
    29,437.60/40,609.60 = 17,492.48/x
  3. Step 3: Cross multiply
    29,437.60x = 40,609.60 × 17,492.48
  4. Step 4: Simplify right side
    29,437.60x = 710,362,615.81
  5. Step 5: Solve for x
    x = 710,362,615.81/29,437.60
  6. Step 6: Final answer
    x = 24,131.13

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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.