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Finding the Fourth Proportional to 31,566.56, 47,339.56 and 10,500.95

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Solution

The fourth proportional to 31,566.56, 47,339.56 and 10,500.95 is: 15,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.56 : 47,339.56 = 10,500.95 : x
  2. Step 2: Convert to fraction form
    31,566.56/47,339.56 = 10,500.95/x
  3. Step 3: Cross multiply
    31,566.56x = 47,339.56 × 10,500.95
  4. Step 4: Simplify right side
    31,566.56x = 497,110,063.38
  5. Step 5: Solve for x
    x = 497,110,063.38/31,566.56
  6. Step 6: Final answer
    x = 15,748.00

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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.