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Finding the Fourth Proportional to 60,386.58, 90,172.98 and 49,314.69

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Solution

The fourth proportional to 60,386.58, 90,172.98 and 49,314.69 is: 73,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,386.58 : 90,172.98 = 49,314.69 : x
  2. Step 2: Convert to fraction form
    60,386.58/90,172.98 = 49,314.69/x
  3. Step 3: Cross multiply
    60,386.58x = 90,172.98 × 49,314.69
  4. Step 4: Simplify right side
    60,386.58x = 4,446,852,555.08
  5. Step 5: Solve for x
    x = 4,446,852,555.08/60,386.58
  6. Step 6: Final answer
    x = 73,639.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.