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Finding the Fourth Proportional to 44,539.98, 66,793.16 and 14,547.20

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Solution

The fourth proportional to 44,539.98, 66,793.16 and 14,547.20 is: 21,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,539.98 : 66,793.16 = 14,547.20 : x
  2. Step 2: Convert to fraction form
    44,539.98/66,793.16 = 14,547.20/x
  3. Step 3: Cross multiply
    44,539.98x = 66,793.16 × 14,547.20
  4. Step 4: Simplify right side
    44,539.98x = 971,653,077.73
  5. Step 5: Solve for x
    x = 971,653,077.73/44,539.98
  6. Step 6: Final answer
    x = 21,815.30

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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.