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Finding the Fourth Proportional to 56,398.80, 77,828.28 and 32,526.48

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Solution

The fourth proportional to 56,398.80, 77,828.28 and 32,526.48 is: 44,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,398.80 : 77,828.28 = 32,526.48 : x
  2. Step 2: Convert to fraction form
    56,398.80/77,828.28 = 32,526.48/x
  3. Step 3: Cross multiply
    56,398.80x = 77,828.28 × 32,526.48
  4. Step 4: Simplify right side
    56,398.80x = 2,531,479,992.85
  5. Step 5: Solve for x
    x = 2,531,479,992.85/56,398.80
  6. Step 6: Final answer
    x = 44,885.35

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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.