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Finding the Fourth Proportional to 65,048.57, 97,048.08 and 57,948.85

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Solution

The fourth proportional to 65,048.57, 97,048.08 and 57,948.85 is: 86,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,048.57 : 97,048.08 = 57,948.85 : x
  2. Step 2: Convert to fraction form
    65,048.57/97,048.08 = 57,948.85/x
  3. Step 3: Cross multiply
    65,048.57x = 97,048.08 × 57,948.85
  4. Step 4: Simplify right side
    65,048.57x = 5,623,824,170.78
  5. Step 5: Solve for x
    x = 5,623,824,170.78/65,048.57
  6. Step 6: Final answer
    x = 86,455.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.