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Finding the Fourth Proportional to 70,307.19, 105,460.79 and 23,592.87

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Solution

The fourth proportional to 70,307.19, 105,460.79 and 23,592.87 is: 35,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,307.19 : 105,460.79 = 23,592.87 : x
  2. Step 2: Convert to fraction form
    70,307.19/105,460.79 = 23,592.87/x
  3. Step 3: Cross multiply
    70,307.19x = 105,460.79 × 23,592.87
  4. Step 4: Simplify right side
    70,307.19x = 2,488,122,590.60
  5. Step 5: Solve for x
    x = 2,488,122,590.60/70,307.19
  6. Step 6: Final answer
    x = 35,389.31

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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.