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Finding the Fourth Proportional to 15,300.54, 22,950.80 and 4,208.40

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Solution

The fourth proportional to 15,300.54, 22,950.80 and 4,208.40 is: 6,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.54 : 22,950.80 = 4,208.40 : x
  2. Step 2: Convert to fraction form
    15,300.54/22,950.80 = 4,208.40/x
  3. Step 3: Cross multiply
    15,300.54x = 22,950.80 × 4,208.40
  4. Step 4: Simplify right side
    15,300.54x = 96,586,146.72
  5. Step 5: Solve for x
    x = 96,586,146.72/15,300.54
  6. Step 6: Final answer
    x = 6,312.60

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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.