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Finding the Fourth Proportional to 44,290.58, 66,416.62 and 12,693.68

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Solution

The fourth proportional to 44,290.58, 66,416.62 and 12,693.68 is: 19,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,290.58 : 66,416.62 = 12,693.68 : x
  2. Step 2: Convert to fraction form
    44,290.58/66,416.62 = 12,693.68/x
  3. Step 3: Cross multiply
    44,290.58x = 66,416.62 × 12,693.68
  4. Step 4: Simplify right side
    44,290.58x = 843,071,320.96
  5. Step 5: Solve for x
    x = 843,071,320.96/44,290.58
  6. Step 6: Final answer
    x = 19,035.00

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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.