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Finding the Fourth Proportional to 37,041.84, 51,114.84 and 21,125.28

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Solution

The fourth proportional to 37,041.84, 51,114.84 and 21,125.28 is: 29,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.84 : 51,114.84 = 21,125.28 : x
  2. Step 2: Convert to fraction form
    37,041.84/51,114.84 = 21,125.28/x
  3. Step 3: Cross multiply
    37,041.84x = 51,114.84 × 21,125.28
  4. Step 4: Simplify right side
    37,041.84x = 1,079,815,307.16
  5. Step 5: Solve for x
    x = 1,079,815,307.16/37,041.84
  6. Step 6: Final answer
    x = 29,151.23

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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.