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Finding the Fourth Proportional to 9,957.60, 14,938.45 and 8,325.55

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Solution

The fourth proportional to 9,957.60, 14,938.45 and 8,325.55 is: 12,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.60 : 14,938.45 = 8,325.55 : x
  2. Step 2: Convert to fraction form
    9,957.60/14,938.45 = 8,325.55/x
  3. Step 3: Cross multiply
    9,957.60x = 14,938.45 × 8,325.55
  4. Step 4: Simplify right side
    9,957.60x = 124,370,810.26
  5. Step 5: Solve for x
    x = 124,370,810.26/9,957.60
  6. Step 6: Final answer
    x = 12,490.04

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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.