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Finding the Fourth Proportional to 56,574.70, 78,048.34 and 35,058.72

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Solution

The fourth proportional to 56,574.70, 78,048.34 and 35,058.72 is: 48,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,574.70 : 78,048.34 = 35,058.72 : x
  2. Step 2: Convert to fraction form
    56,574.70/78,048.34 = 35,058.72/x
  3. Step 3: Cross multiply
    56,574.70x = 78,048.34 × 35,058.72
  4. Step 4: Simplify right side
    56,574.70x = 2,736,274,898.52
  5. Step 5: Solve for x
    x = 2,736,274,898.52/56,574.70
  6. Step 6: Final answer
    x = 48,365.70

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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.