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Finding the Fourth Proportional to 43,308.94, 64,963.41 and 10,476.94

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Solution

The fourth proportional to 43,308.94, 64,963.41 and 10,476.94 is: 15,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308.94 : 64,963.41 = 10,476.94 : x
  2. Step 2: Convert to fraction form
    43,308.94/64,963.41 = 10,476.94/x
  3. Step 3: Cross multiply
    43,308.94x = 64,963.41 × 10,476.94
  4. Step 4: Simplify right side
    43,308.94x = 680,617,547.07
  5. Step 5: Solve for x
    x = 680,617,547.07/43,308.94
  6. Step 6: Final answer
    x = 15,715.41

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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.