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Finding the Fourth Proportional to 9,925.80, 14,888.72 and 3,000.28

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Solution

The fourth proportional to 9,925.80, 14,888.72 and 3,000.28 is: 4,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.80 : 14,888.72 = 3,000.28 : x
  2. Step 2: Convert to fraction form
    9,925.80/14,888.72 = 3,000.28/x
  3. Step 3: Cross multiply
    9,925.80x = 14,888.72 × 3,000.28
  4. Step 4: Simplify right side
    9,925.80x = 44,670,328.84
  5. Step 5: Solve for x
    x = 44,670,328.84/9,925.80
  6. Step 6: Final answer
    x = 4,500.43

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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.