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Finding the Fourth Proportional to 60,381.84, 90,543.63 and 25,312.08

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Solution

The fourth proportional to 60,381.84, 90,543.63 and 25,312.08 is: 37,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,381.84 : 90,543.63 = 25,312.08 : x
  2. Step 2: Convert to fraction form
    60,381.84/90,543.63 = 25,312.08/x
  3. Step 3: Cross multiply
    60,381.84x = 90,543.63 × 25,312.08
  4. Step 4: Simplify right side
    60,381.84x = 2,291,847,606.05
  5. Step 5: Solve for x
    x = 2,291,847,606.05/60,381.84
  6. Step 6: Final answer
    x = 37,955.91

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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.