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Finding the Fourth Proportional to 58,937.80, 88,406.70 and 57,771.40

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Solution

The fourth proportional to 58,937.80, 88,406.70 and 57,771.40 is: 86,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937.80 : 88,406.70 = 57,771.40 : x
  2. Step 2: Convert to fraction form
    58,937.80/88,406.70 = 57,771.40/x
  3. Step 3: Cross multiply
    58,937.80x = 88,406.70 × 57,771.40
  4. Step 4: Simplify right side
    58,937.80x = 5,107,378,828.38
  5. Step 5: Solve for x
    x = 5,107,378,828.38/58,937.80
  6. Step 6: Final answer
    x = 86,657.10

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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.