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Finding the Fourth Proportional to 29,482.31, 40,686.50 and 16,907.06

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Solution

The fourth proportional to 29,482.31, 40,686.50 and 16,907.06 is: 23,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482.31 : 40,686.50 = 16,907.06 : x
  2. Step 2: Convert to fraction form
    29,482.31/40,686.50 = 16,907.06/x
  3. Step 3: Cross multiply
    29,482.31x = 40,686.50 × 16,907.06
  4. Step 4: Simplify right side
    29,482.31x = 687,889,240.67
  5. Step 5: Solve for x
    x = 687,889,240.67/29,482.31
  6. Step 6: Final answer
    x = 23,332.27

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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.