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Finding the Fourth Proportional to 60,810.60, 91,215.90 and 49,875.60

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Solution

The fourth proportional to 60,810.60, 91,215.90 and 49,875.60 is: 74,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,810.60 : 91,215.90 = 49,875.60 : x
  2. Step 2: Convert to fraction form
    60,810.60/91,215.90 = 49,875.60/x
  3. Step 3: Cross multiply
    60,810.60x = 91,215.90 × 49,875.60
  4. Step 4: Simplify right side
    60,810.60x = 4,549,447,742.04
  5. Step 5: Solve for x
    x = 4,549,447,742.04/60,810.60
  6. Step 6: Final answer
    x = 74,813.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.