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Finding the Fourth Proportional to 29,572.32, 40,807.35 and 16,822.11

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Solution

The fourth proportional to 29,572.32, 40,807.35 and 16,822.11 is: 23,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,572.32 : 40,807.35 = 16,822.11 : x
  2. Step 2: Convert to fraction form
    29,572.32/40,807.35 = 16,822.11/x
  3. Step 3: Cross multiply
    29,572.32x = 40,807.35 × 16,822.11
  4. Step 4: Simplify right side
    29,572.32x = 686,465,730.51
  5. Step 5: Solve for x
    x = 686,465,730.51/29,572.32
  6. Step 6: Final answer
    x = 23,213.12

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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.