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Finding the Fourth Proportional to 52,754.79, 72,802.88 and 28,881.39

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Solution

The fourth proportional to 52,754.79, 72,802.88 and 28,881.39 is: 39,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.79 : 72,802.88 = 28,881.39 : x
  2. Step 2: Convert to fraction form
    52,754.79/72,802.88 = 28,881.39/x
  3. Step 3: Cross multiply
    52,754.79x = 72,802.88 × 28,881.39
  4. Step 4: Simplify right side
    52,754.79x = 2,102,648,370.40
  5. Step 5: Solve for x
    x = 2,102,648,370.40/52,754.79
  6. Step 6: Final answer
    x = 39,857.01

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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.