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Finding the Fourth Proportional to 15,669.32, 23,504.06 and 5,281.16

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Solution

The fourth proportional to 15,669.32, 23,504.06 and 5,281.16 is: 7,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.32 : 23,504.06 = 5,281.16 : x
  2. Step 2: Convert to fraction form
    15,669.32/23,504.06 = 5,281.16/x
  3. Step 3: Cross multiply
    15,669.32x = 23,504.06 × 5,281.16
  4. Step 4: Simplify right side
    15,669.32x = 124,128,701.51
  5. Step 5: Solve for x
    x = 124,128,701.51/15,669.32
  6. Step 6: Final answer
    x = 7,921.77

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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.