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Finding the Fourth Proportional to 70,602.59, 97,441.77 and 42,310.91

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Solution

The fourth proportional to 70,602.59, 97,441.77 and 42,310.91 is: 58,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.59 : 97,441.77 = 42,310.91 : x
  2. Step 2: Convert to fraction form
    70,602.59/97,441.77 = 42,310.91/x
  3. Step 3: Cross multiply
    70,602.59x = 97,441.77 × 42,310.91
  4. Step 4: Simplify right side
    70,602.59x = 4,122,849,473.50
  5. Step 5: Solve for x
    x = 4,122,849,473.50/70,602.59
  6. Step 6: Final answer
    x = 58,395.16

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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.