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Finding the Fourth Proportional to 29,482.65, 40,686.12 and 16,053.98

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Solution

The fourth proportional to 29,482.65, 40,686.12 and 16,053.98 is: 22,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482.65 : 40,686.12 = 16,053.98 : x
  2. Step 2: Convert to fraction form
    29,482.65/40,686.12 = 16,053.98/x
  3. Step 3: Cross multiply
    29,482.65x = 40,686.12 × 16,053.98
  4. Step 4: Simplify right side
    29,482.65x = 653,173,953.33
  5. Step 5: Solve for x
    x = 653,173,953.33/29,482.65
  6. Step 6: Final answer
    x = 22,154.52

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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.