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Finding the Fourth Proportional to 70,445.78, 105,684.86 and 23,062.40

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Solution

The fourth proportional to 70,445.78, 105,684.86 and 23,062.40 is: 34,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,445.78 : 105,684.86 = 23,062.40 : x
  2. Step 2: Convert to fraction form
    70,445.78/105,684.86 = 23,062.40/x
  3. Step 3: Cross multiply
    70,445.78x = 105,684.86 × 23,062.40
  4. Step 4: Simplify right side
    70,445.78x = 2,437,345,871.53
  5. Step 5: Solve for x
    x = 2,437,345,871.53/70,445.78
  6. Step 6: Final answer
    x = 34,598.89

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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.