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Finding the Fourth Proportional to 70,572.60, 97,395.30 and 46,657.80

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Solution

The fourth proportional to 70,572.60, 97,395.30 and 46,657.80 is: 64,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,572.60 : 97,395.30 = 46,657.80 : x
  2. Step 2: Convert to fraction form
    70,572.60/97,395.30 = 46,657.80/x
  3. Step 3: Cross multiply
    70,572.60x = 97,395.30 × 46,657.80
  4. Step 4: Simplify right side
    70,572.60x = 4,544,250,428.34
  5. Step 5: Solve for x
    x = 4,544,250,428.34/70,572.60
  6. Step 6: Final answer
    x = 64,391.14

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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.