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Finding the Fourth Proportional to 58,545, 80,826.93 and 38,437.11

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Solution

The fourth proportional to 58,545, 80,826.93 and 38,437.11 is: 53,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545 : 80,826.93 = 38,437.11 : x
  2. Step 2: Convert to fraction form
    58,545/80,826.93 = 38,437.11/x
  3. Step 3: Cross multiply
    58,545x = 80,826.93 × 38,437.11
  4. Step 4: Simplify right side
    58,545x = 3,106,753,599.37
  5. Step 5: Solve for x
    x = 3,106,753,599.37/58,545
  6. Step 6: Final answer
    x = 53,066.08

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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.