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Finding the Fourth Proportional to 14,904.10, 22,356.15 and 8,999.20

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Solution

The fourth proportional to 14,904.10, 22,356.15 and 8,999.20 is: 13,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.10 : 22,356.15 = 8,999.20 : x
  2. Step 2: Convert to fraction form
    14,904.10/22,356.15 = 8,999.20/x
  3. Step 3: Cross multiply
    14,904.10x = 22,356.15 × 8,999.20
  4. Step 4: Simplify right side
    14,904.10x = 201,187,465.08
  5. Step 5: Solve for x
    x = 201,187,465.08/14,904.10
  6. Step 6: Final answer
    x = 13,498.80

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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.