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Finding the Fourth Proportional to 13,312.95, 19,952.46 and 7,075.95

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Solution

The fourth proportional to 13,312.95, 19,952.46 and 7,075.95 is: 10,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.95 : 19,952.46 = 7,075.95 : x
  2. Step 2: Convert to fraction form
    13,312.95/19,952.46 = 7,075.95/x
  3. Step 3: Cross multiply
    13,312.95x = 19,952.46 × 7,075.95
  4. Step 4: Simplify right side
    13,312.95x = 141,182,609.34
  5. Step 5: Solve for x
    x = 141,182,609.34/13,312.95
  6. Step 6: Final answer
    x = 10,604.91

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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.