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Finding the Fourth Proportional to 12,064.51, 16,652.88 and 7,529.32

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Solution

The fourth proportional to 12,064.51, 16,652.88 and 7,529.32 is: 10,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.51 : 16,652.88 = 7,529.32 : x
  2. Step 2: Convert to fraction form
    12,064.51/16,652.88 = 7,529.32/x
  3. Step 3: Cross multiply
    12,064.51x = 16,652.88 × 7,529.32
  4. Step 4: Simplify right side
    12,064.51x = 125,384,741.53
  5. Step 5: Solve for x
    x = 125,384,741.53/12,064.51
  6. Step 6: Final answer
    x = 10,392.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.