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Finding the Fourth Proportional to 32,425.70, 48,643.59 and 13,705.81

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Solution

The fourth proportional to 32,425.70, 48,643.59 and 13,705.81 is: 20,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,425.70 : 48,643.59 = 13,705.81 : x
  2. Step 2: Convert to fraction form
    32,425.70/48,643.59 = 13,705.81/x
  3. Step 3: Cross multiply
    32,425.70x = 48,643.59 × 13,705.81
  4. Step 4: Simplify right side
    32,425.70x = 666,699,802.26
  5. Step 5: Solve for x
    x = 666,699,802.26/32,425.70
  6. Step 6: Final answer
    x = 20,560.85

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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.