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Finding the Fourth Proportional to 30,034.32, 44,973.72 and 20,703.12

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Solution

The fourth proportional to 30,034.32, 44,973.72 and 20,703.12 is: 31,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,034.32 : 44,973.72 = 20,703.12 : x
  2. Step 2: Convert to fraction form
    30,034.32/44,973.72 = 20,703.12/x
  3. Step 3: Cross multiply
    30,034.32x = 44,973.72 × 20,703.12
  4. Step 4: Simplify right side
    30,034.32x = 931,096,322.01
  5. Step 5: Solve for x
    x = 931,096,322.01/30,034.32
  6. Step 6: Final answer
    x = 31,001.08

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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.