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Finding the Fourth Proportional to 35,476.71, 53,154.84 and 21,407.17

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Solution

The fourth proportional to 35,476.71, 53,154.84 and 21,407.17 is: 32,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.71 : 53,154.84 = 21,407.17 : x
  2. Step 2: Convert to fraction form
    35,476.71/53,154.84 = 21,407.17/x
  3. Step 3: Cross multiply
    35,476.71x = 53,154.84 × 21,407.17
  4. Step 4: Simplify right side
    35,476.71x = 1,137,894,323.39
  5. Step 5: Solve for x
    x = 1,137,894,323.39/35,476.71
  6. Step 6: Final answer
    x = 32,074.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.