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Finding the Fourth Proportional to 32,595.40, 48,893.10 and 20,931.40

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Solution

The fourth proportional to 32,595.40, 48,893.10 and 20,931.40 is: 31,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,595.40 : 48,893.10 = 20,931.40 : x
  2. Step 2: Convert to fraction form
    32,595.40/48,893.10 = 20,931.40/x
  3. Step 3: Cross multiply
    32,595.40x = 48,893.10 × 20,931.40
  4. Step 4: Simplify right side
    32,595.40x = 1,023,401,033.34
  5. Step 5: Solve for x
    x = 1,023,401,033.34/32,595.40
  6. Step 6: Final answer
    x = 31,397.10

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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.