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Finding the Fourth Proportional to 29,868.64, 44,802.96 and 12,319.18

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Solution

The fourth proportional to 29,868.64, 44,802.96 and 12,319.18 is: 18,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.64 : 44,802.96 = 12,319.18 : x
  2. Step 2: Convert to fraction form
    29,868.64/44,802.96 = 12,319.18/x
  3. Step 3: Cross multiply
    29,868.64x = 44,802.96 × 12,319.18
  4. Step 4: Simplify right side
    29,868.64x = 551,935,728.77
  5. Step 5: Solve for x
    x = 551,935,728.77/29,868.64
  6. Step 6: Final answer
    x = 18,478.77

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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.