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Finding the Fourth Proportional to 34,430.80, 51,646.20 and 11,073.64

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Solution

The fourth proportional to 34,430.80, 51,646.20 and 11,073.64 is: 16,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,430.80 : 51,646.20 = 11,073.64 : x
  2. Step 2: Convert to fraction form
    34,430.80/51,646.20 = 11,073.64/x
  3. Step 3: Cross multiply
    34,430.80x = 51,646.20 × 11,073.64
  4. Step 4: Simplify right side
    34,430.80x = 571,911,426.17
  5. Step 5: Solve for x
    x = 571,911,426.17/34,430.80
  6. Step 6: Final answer
    x = 16,610.46

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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.