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Finding the Fourth Proportional to 32,482.76, 48,735.88 and 12,750.35

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Solution

The fourth proportional to 32,482.76, 48,735.88 and 12,750.35 is: 19,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,482.76 : 48,735.88 = 12,750.35 : x
  2. Step 2: Convert to fraction form
    32,482.76/48,735.88 = 12,750.35/x
  3. Step 3: Cross multiply
    32,482.76x = 48,735.88 × 12,750.35
  4. Step 4: Simplify right side
    32,482.76x = 621,399,252.00
  5. Step 5: Solve for x
    x = 621,399,252.00/32,482.76
  6. Step 6: Final answer
    x = 19,130.13

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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.