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Finding the Fourth Proportional to 84,988.65, 127,368.11 and 32,369.43

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Solution

The fourth proportional to 84,988.65, 127,368.11 and 32,369.43 is: 48,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,988.65 : 127,368.11 = 32,369.43 : x
  2. Step 2: Convert to fraction form
    84,988.65/127,368.11 = 32,369.43/x
  3. Step 3: Cross multiply
    84,988.65x = 127,368.11 × 32,369.43
  4. Step 4: Simplify right side
    84,988.65x = 4,122,833,679.43
  5. Step 5: Solve for x
    x = 4,122,833,679.43/84,988.65
  6. Step 6: Final answer
    x = 48,510.40

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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.