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Finding the Fourth Proportional to 34,437.12, 51,655.44 and 9,813.12

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Solution

The fourth proportional to 34,437.12, 51,655.44 and 9,813.12 is: 14,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,437.12 : 51,655.44 = 9,813.12 : x
  2. Step 2: Convert to fraction form
    34,437.12/51,655.44 = 9,813.12/x
  3. Step 3: Cross multiply
    34,437.12x = 51,655.44 × 9,813.12
  4. Step 4: Simplify right side
    34,437.12x = 506,901,031.37
  5. Step 5: Solve for x
    x = 506,901,031.37/34,437.12
  6. Step 6: Final answer
    x = 14,719.61

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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.