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Finding the Fourth Proportional to 34,312.40, 51,463.80 and 10,941.20

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Solution

The fourth proportional to 34,312.40, 51,463.80 and 10,941.20 is: 16,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,312.40 : 51,463.80 = 10,941.20 : x
  2. Step 2: Convert to fraction form
    34,312.40/51,463.80 = 10,941.20/x
  3. Step 3: Cross multiply
    34,312.40x = 51,463.80 × 10,941.20
  4. Step 4: Simplify right side
    34,312.40x = 563,075,728.56
  5. Step 5: Solve for x
    x = 563,075,728.56/34,312.40
  6. Step 6: Final answer
    x = 16,410.27

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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.