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Finding the Fourth Proportional to 34,129.66, 51,152.82 and 15,404.86

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Solution

The fourth proportional to 34,129.66, 51,152.82 and 15,404.86 is: 23,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.66 : 51,152.82 = 15,404.86 : x
  2. Step 2: Convert to fraction form
    34,129.66/51,152.82 = 15,404.86/x
  3. Step 3: Cross multiply
    34,129.66x = 51,152.82 × 15,404.86
  4. Step 4: Simplify right side
    34,129.66x = 788,002,030.71
  5. Step 5: Solve for x
    x = 788,002,030.71/34,129.66
  6. Step 6: Final answer
    x = 23,088.48

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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.