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Finding the Fourth Proportional to 58,341.66, 80,487.52 and 43,271.40

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Solution

The fourth proportional to 58,341.66, 80,487.52 and 43,271.40 is: 59,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,341.66 : 80,487.52 = 43,271.40 : x
  2. Step 2: Convert to fraction form
    58,341.66/80,487.52 = 43,271.40/x
  3. Step 3: Cross multiply
    58,341.66x = 80,487.52 × 43,271.40
  4. Step 4: Simplify right side
    58,341.66x = 3,482,807,672.93
  5. Step 5: Solve for x
    x = 3,482,807,672.93/58,341.66
  6. Step 6: Final answer
    x = 59,696.75

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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.