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Finding the Fourth Proportional to 64,553.29, 89,058.59 and 47,597.66

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Solution

The fourth proportional to 64,553.29, 89,058.59 and 47,597.66 is: 65,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,553.29 : 89,058.59 = 47,597.66 : x
  2. Step 2: Convert to fraction form
    64,553.29/89,058.59 = 47,597.66/x
  3. Step 3: Cross multiply
    64,553.29x = 89,058.59 × 47,597.66
  4. Step 4: Simplify right side
    64,553.29x = 4,238,980,316.08
  5. Step 5: Solve for x
    x = 4,238,980,316.08/64,553.29
  6. Step 6: Final answer
    x = 65,666.37

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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.