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Finding the Fourth Proportional to 74,925.78, 112,444.02 and 35,482.86

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Solution

The fourth proportional to 74,925.78, 112,444.02 and 35,482.86 is: 53,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,925.78 : 112,444.02 = 35,482.86 : x
  2. Step 2: Convert to fraction form
    74,925.78/112,444.02 = 35,482.86/x
  3. Step 3: Cross multiply
    74,925.78x = 112,444.02 × 35,482.86
  4. Step 4: Simplify right side
    74,925.78x = 3,989,835,419.50
  5. Step 5: Solve for x
    x = 3,989,835,419.50/74,925.78
  6. Step 6: Final answer
    x = 53,250.50

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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.