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Finding the Fourth Proportional to 29,802.12, 44,703.18 and 7,615.55

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Solution

The fourth proportional to 29,802.12, 44,703.18 and 7,615.55 is: 11,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,802.12 : 44,703.18 = 7,615.55 : x
  2. Step 2: Convert to fraction form
    29,802.12/44,703.18 = 7,615.55/x
  3. Step 3: Cross multiply
    29,802.12x = 44,703.18 × 7,615.55
  4. Step 4: Simplify right side
    29,802.12x = 340,439,078.93
  5. Step 5: Solve for x
    x = 340,439,078.93/29,802.12
  6. Step 6: Final answer
    x = 11,423.32

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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.