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Finding the Fourth Proportional to 35,941.04, 53,909.76 and 13,765.04

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Solution

The fourth proportional to 35,941.04, 53,909.76 and 13,765.04 is: 20,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,941.04 : 53,909.76 = 13,765.04 : x
  2. Step 2: Convert to fraction form
    35,941.04/53,909.76 = 13,765.04/x
  3. Step 3: Cross multiply
    35,941.04x = 53,909.76 × 13,765.04
  4. Step 4: Simplify right side
    35,941.04x = 742,070,002.79
  5. Step 5: Solve for x
    x = 742,070,002.79/35,941.04
  6. Step 6: Final answer
    x = 20,646.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.