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Finding the Fourth Proportional to 58,923.70, 88,385.55 and 47,259.70

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Solution

The fourth proportional to 58,923.70, 88,385.55 and 47,259.70 is: 70,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,923.70 : 88,385.55 = 47,259.70 : x
  2. Step 2: Convert to fraction form
    58,923.70/88,385.55 = 47,259.70/x
  3. Step 3: Cross multiply
    58,923.70x = 88,385.55 × 47,259.70
  4. Step 4: Simplify right side
    58,923.70x = 4,177,074,577.34
  5. Step 5: Solve for x
    x = 4,177,074,577.34/58,923.70
  6. Step 6: Final answer
    x = 70,889.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.