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Finding the Fourth Proportional to 52,880.84, 79,391.65 and 30,710.13

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Solution

The fourth proportional to 52,880.84, 79,391.65 and 30,710.13 is: 46,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,880.84 : 79,391.65 = 30,710.13 : x
  2. Step 2: Convert to fraction form
    52,880.84/79,391.65 = 30,710.13/x
  3. Step 3: Cross multiply
    52,880.84x = 79,391.65 × 30,710.13
  4. Step 4: Simplify right side
    52,880.84x = 2,438,127,892.41
  5. Step 5: Solve for x
    x = 2,438,127,892.41/52,880.84
  6. Step 6: Final answer
    x = 46,106.07

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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.