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Finding the Fourth Proportional to 29,002.88, 40,022.58 and 16,254.50

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Solution

The fourth proportional to 29,002.88, 40,022.58 and 16,254.50 is: 22,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.88 : 40,022.58 = 16,254.50 : x
  2. Step 2: Convert to fraction form
    29,002.88/40,022.58 = 16,254.50/x
  3. Step 3: Cross multiply
    29,002.88x = 40,022.58 × 16,254.50
  4. Step 4: Simplify right side
    29,002.88x = 650,547,026.61
  5. Step 5: Solve for x
    x = 650,547,026.61/29,002.88
  6. Step 6: Final answer
    x = 22,430.43

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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.