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Finding the Fourth Proportional to 32,890.03, 45,384.74 and 19,461.85

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Solution

The fourth proportional to 32,890.03, 45,384.74 and 19,461.85 is: 26,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.03 : 45,384.74 = 19,461.85 : x
  2. Step 2: Convert to fraction form
    32,890.03/45,384.74 = 19,461.85/x
  3. Step 3: Cross multiply
    32,890.03x = 45,384.74 × 19,461.85
  4. Step 4: Simplify right side
    32,890.03x = 883,270,864.38
  5. Step 5: Solve for x
    x = 883,270,864.38/32,890.03
  6. Step 6: Final answer
    x = 26,855.28

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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.