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Finding the Fourth Proportional to 70,801.44, 97,714.32 and 42,506.40

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Solution

The fourth proportional to 70,801.44, 97,714.32 and 42,506.40 is: 58,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.44 : 97,714.32 = 42,506.40 : x
  2. Step 2: Convert to fraction form
    70,801.44/97,714.32 = 42,506.40/x
  3. Step 3: Cross multiply
    70,801.44x = 97,714.32 × 42,506.40
  4. Step 4: Simplify right side
    70,801.44x = 4,153,483,971.65
  5. Step 5: Solve for x
    x = 4,153,483,971.65/70,801.44
  6. Step 6: Final answer
    x = 58,663.83

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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.