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Finding the Fourth Proportional to 29,573.60, 40,801.77 and 19,507.01

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Solution

The fourth proportional to 29,573.60, 40,801.77 and 19,507.01 is: 26,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.60 : 40,801.77 = 19,507.01 : x
  2. Step 2: Convert to fraction form
    29,573.60/40,801.77 = 19,507.01/x
  3. Step 3: Cross multiply
    29,573.60x = 40,801.77 × 19,507.01
  4. Step 4: Simplify right side
    29,573.60x = 795,920,331.40
  5. Step 5: Solve for x
    x = 795,920,331.40/29,573.60
  6. Step 6: Final answer
    x = 26,913.21

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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.