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Finding the Fourth Proportional to 34,999.60, 52,505.80 and 14,225.20

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Solution

The fourth proportional to 34,999.60, 52,505.80 and 14,225.20 is: 21,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,999.60 : 52,505.80 = 14,225.20 : x
  2. Step 2: Convert to fraction form
    34,999.60/52,505.80 = 14,225.20/x
  3. Step 3: Cross multiply
    34,999.60x = 52,505.80 × 14,225.20
  4. Step 4: Simplify right side
    34,999.60x = 746,905,506.16
  5. Step 5: Solve for x
    x = 746,905,506.16/34,999.60
  6. Step 6: Final answer
    x = 21,340.40

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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.