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Finding the Fourth Proportional to 14,265.76, 21,393.18 and 4,904.04

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Solution

The fourth proportional to 14,265.76, 21,393.18 and 4,904.04 is: 7,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.76 : 21,393.18 = 4,904.04 : x
  2. Step 2: Convert to fraction form
    14,265.76/21,393.18 = 4,904.04/x
  3. Step 3: Cross multiply
    14,265.76x = 21,393.18 × 4,904.04
  4. Step 4: Simplify right side
    14,265.76x = 104,913,010.45
  5. Step 5: Solve for x
    x = 104,913,010.45/14,265.76
  6. Step 6: Final answer
    x = 7,354.18

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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.