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Finding the Fourth Proportional to 70,510.83, 97,321.28 and 45,316.59

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Solution

The fourth proportional to 70,510.83, 97,321.28 and 45,316.59 is: 62,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,510.83 : 97,321.28 = 45,316.59 : x
  2. Step 2: Convert to fraction form
    70,510.83/97,321.28 = 45,316.59/x
  3. Step 3: Cross multiply
    70,510.83x = 97,321.28 × 45,316.59
  4. Step 4: Simplify right side
    70,510.83x = 4,410,268,317.45
  5. Step 5: Solve for x
    x = 4,410,268,317.45/70,510.83
  6. Step 6: Final answer
    x = 62,547.39

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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.