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Finding the Fourth Proportional to 32,390.56, 48,587.12 and 9,019.04

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Solution

The fourth proportional to 32,390.56, 48,587.12 and 9,019.04 is: 13,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.56 : 48,587.12 = 9,019.04 : x
  2. Step 2: Convert to fraction form
    32,390.56/48,587.12 = 9,019.04/x
  3. Step 3: Cross multiply
    32,390.56x = 48,587.12 × 9,019.04
  4. Step 4: Simplify right side
    32,390.56x = 438,209,178.76
  5. Step 5: Solve for x
    x = 438,209,178.76/32,390.56
  6. Step 6: Final answer
    x = 13,528.92

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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.