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Finding the Fourth Proportional to 34,543.40, 51,805.02 and 15,812.84

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Solution

The fourth proportional to 34,543.40, 51,805.02 and 15,812.84 is: 23,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.40 : 51,805.02 = 15,812.84 : x
  2. Step 2: Convert to fraction form
    34,543.40/51,805.02 = 15,812.84/x
  3. Step 3: Cross multiply
    34,543.40x = 51,805.02 × 15,812.84
  4. Step 4: Simplify right side
    34,543.40x = 819,184,492.46
  5. Step 5: Solve for x
    x = 819,184,492.46/34,543.40
  6. Step 6: Final answer
    x = 23,714.65

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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.