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Finding the Fourth Proportional to 56,058.77, 77,695.04 and 55,009.01

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Solution

The fourth proportional to 56,058.77, 77,695.04 and 55,009.01 is: 76,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,058.77 : 77,695.04 = 55,009.01 : x
  2. Step 2: Convert to fraction form
    56,058.77/77,695.04 = 55,009.01/x
  3. Step 3: Cross multiply
    56,058.77x = 77,695.04 × 55,009.01
  4. Step 4: Simplify right side
    56,058.77x = 4,273,927,232.31
  5. Step 5: Solve for x
    x = 4,273,927,232.31/56,058.77
  6. Step 6: Final answer
    x = 76,240.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.