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Finding the Fourth Proportional to 29,011.68, 40,047.12 and 17,075.52

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Solution

The fourth proportional to 29,011.68, 40,047.12 and 17,075.52 is: 23,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.68 : 40,047.12 = 17,075.52 : x
  2. Step 2: Convert to fraction form
    29,011.68/40,047.12 = 17,075.52/x
  3. Step 3: Cross multiply
    29,011.68x = 40,047.12 × 17,075.52
  4. Step 4: Simplify right side
    29,011.68x = 683,825,398.50
  5. Step 5: Solve for x
    x = 683,825,398.50/29,011.68
  6. Step 6: Final answer
    x = 23,570.69

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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.