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Finding the Fourth Proportional to 29,362.64, 40,538.00 and 19,307.91

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Solution

The fourth proportional to 29,362.64, 40,538.00 and 19,307.91 is: 26,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,362.64 : 40,538.00 = 19,307.91 : x
  2. Step 2: Convert to fraction form
    29,362.64/40,538.00 = 19,307.91/x
  3. Step 3: Cross multiply
    29,362.64x = 40,538.00 × 19,307.91
  4. Step 4: Simplify right side
    29,362.64x = 782,703,959.04
  5. Step 5: Solve for x
    x = 782,703,959.04/29,362.64
  6. Step 6: Final answer
    x = 26,656.46

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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.