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Finding the Fourth Proportional to 35,322.99, 48,744.79 and 19,407.50

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Solution

The fourth proportional to 35,322.99, 48,744.79 and 19,407.50 is: 26,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.99 : 48,744.79 = 19,407.50 : x
  2. Step 2: Convert to fraction form
    35,322.99/48,744.79 = 19,407.50/x
  3. Step 3: Cross multiply
    35,322.99x = 48,744.79 × 19,407.50
  4. Step 4: Simplify right side
    35,322.99x = 946,014,402.48
  5. Step 5: Solve for x
    x = 946,014,402.48/35,322.99
  6. Step 6: Final answer
    x = 26,781.84

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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.