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Finding the Fourth Proportional to 71,960.76, 99,271.98 and 46,801.08

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Solution

The fourth proportional to 71,960.76, 99,271.98 and 46,801.08 is: 64,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.76 : 99,271.98 = 46,801.08 : x
  2. Step 2: Convert to fraction form
    71,960.76/99,271.98 = 46,801.08/x
  3. Step 3: Cross multiply
    71,960.76x = 99,271.98 × 46,801.08
  4. Step 4: Simplify right side
    71,960.76x = 4,646,035,877.74
  5. Step 5: Solve for x
    x = 4,646,035,877.74/71,960.76
  6. Step 6: Final answer
    x = 64,563.46

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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.