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Finding the Fourth Proportional to 32,647.46, 45,063.74 and 18,509.72

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Solution

The fourth proportional to 32,647.46, 45,063.74 and 18,509.72 is: 25,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,647.46 : 45,063.74 = 18,509.72 : x
  2. Step 2: Convert to fraction form
    32,647.46/45,063.74 = 18,509.72/x
  3. Step 3: Cross multiply
    32,647.46x = 45,063.74 × 18,509.72
  4. Step 4: Simplify right side
    32,647.46x = 834,117,030.51
  5. Step 5: Solve for x
    x = 834,117,030.51/32,647.46
  6. Step 6: Final answer
    x = 25,549.22

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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.