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Finding the Fourth Proportional to 38,679.03, 53,373.04 and 22,762.53

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Solution

The fourth proportional to 38,679.03, 53,373.04 and 22,762.53 is: 31,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.03 : 53,373.04 = 22,762.53 : x
  2. Step 2: Convert to fraction form
    38,679.03/53,373.04 = 22,762.53/x
  3. Step 3: Cross multiply
    38,679.03x = 53,373.04 × 22,762.53
  4. Step 4: Simplify right side
    38,679.03x = 1,214,905,424.19
  5. Step 5: Solve for x
    x = 1,214,905,424.19/38,679.03
  6. Step 6: Final answer
    x = 31,409.92

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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.