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Finding the Fourth Proportional to 29,602.88, 40,870.19 and 19,011.18

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Solution

The fourth proportional to 29,602.88, 40,870.19 and 19,011.18 is: 26,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.88 : 40,870.19 = 19,011.18 : x
  2. Step 2: Convert to fraction form
    29,602.88/40,870.19 = 19,011.18/x
  3. Step 3: Cross multiply
    29,602.88x = 40,870.19 × 19,011.18
  4. Step 4: Simplify right side
    29,602.88x = 776,990,586.25
  5. Step 5: Solve for x
    x = 776,990,586.25/29,602.88
  6. Step 6: Final answer
    x = 26,247.13

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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.