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Finding the Fourth Proportional to 58,755.39, 88,123.95 and 19,312.23

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Solution

The fourth proportional to 58,755.39, 88,123.95 and 19,312.23 is: 28,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.39 : 88,123.95 = 19,312.23 : x
  2. Step 2: Convert to fraction form
    58,755.39/88,123.95 = 19,312.23/x
  3. Step 3: Cross multiply
    58,755.39x = 88,123.95 × 19,312.23
  4. Step 4: Simplify right side
    58,755.39x = 1,701,869,990.91
  5. Step 5: Solve for x
    x = 1,701,869,990.91/58,755.39
  6. Step 6: Final answer
    x = 28,965.34

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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.