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Finding the Fourth Proportional to 52,328.70, 77,938.94 and 52,073.78

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Solution

The fourth proportional to 52,328.70, 77,938.94 and 52,073.78 is: 77,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.70 : 77,938.94 = 52,073.78 : x
  2. Step 2: Convert to fraction form
    52,328.70/77,938.94 = 52,073.78/x
  3. Step 3: Cross multiply
    52,328.70x = 77,938.94 × 52,073.78
  4. Step 4: Simplify right side
    52,328.70x = 4,058,574,955.48
  5. Step 5: Solve for x
    x = 4,058,574,955.48/52,328.70
  6. Step 6: Final answer
    x = 77,559.25

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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.