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Finding the Fourth Proportional to 29,124.16, 43,693.08 and 8,347.12

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Solution

The fourth proportional to 29,124.16, 43,693.08 and 8,347.12 is: 12,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.16 : 43,693.08 = 8,347.12 : x
  2. Step 2: Convert to fraction form
    29,124.16/43,693.08 = 8,347.12/x
  3. Step 3: Cross multiply
    29,124.16x = 43,693.08 × 8,347.12
  4. Step 4: Simplify right side
    29,124.16x = 364,711,381.93
  5. Step 5: Solve for x
    x = 364,711,381.93/29,124.16
  6. Step 6: Final answer
    x = 12,522.64

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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.