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Finding the Fourth Proportional to 35,559, 53,330.40 and 13,374.72

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Solution

The fourth proportional to 35,559, 53,330.40 and 13,374.72 is: 20,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,559 : 53,330.40 = 13,374.72 : x
  2. Step 2: Convert to fraction form
    35,559/53,330.40 = 13,374.72/x
  3. Step 3: Cross multiply
    35,559x = 53,330.40 × 13,374.72
  4. Step 4: Simplify right side
    35,559x = 713,279,167.49
  5. Step 5: Solve for x
    x = 713,279,167.49/35,559
  6. Step 6: Final answer
    x = 20,059.03

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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.