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Finding the Fourth Proportional to 29,386.98, 40,549.95 and 17,288.01

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Solution

The fourth proportional to 29,386.98, 40,549.95 and 17,288.01 is: 23,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.98 : 40,549.95 = 17,288.01 : x
  2. Step 2: Convert to fraction form
    29,386.98/40,549.95 = 17,288.01/x
  3. Step 3: Cross multiply
    29,386.98x = 40,549.95 × 17,288.01
  4. Step 4: Simplify right side
    29,386.98x = 701,027,941.10
  5. Step 5: Solve for x
    x = 701,027,941.10/29,386.98
  6. Step 6: Final answer
    x = 23,855.05

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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.