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Finding the Fourth Proportional to 71,353.68, 106,953.26 and 46,411.55

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Solution

The fourth proportional to 71,353.68, 106,953.26 and 46,411.55 is: 69,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.68 : 106,953.26 = 46,411.55 : x
  2. Step 2: Convert to fraction form
    71,353.68/106,953.26 = 46,411.55/x
  3. Step 3: Cross multiply
    71,353.68x = 106,953.26 × 46,411.55
  4. Step 4: Simplify right side
    71,353.68x = 4,963,866,574.15
  5. Step 5: Solve for x
    x = 4,963,866,574.15/71,353.68
  6. Step 6: Final answer
    x = 69,567.07

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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.