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Finding the Fourth Proportional to 74,925.59, 112,443.69 and 35,482.64

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Solution

The fourth proportional to 74,925.59, 112,443.69 and 35,482.64 is: 53,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,925.59 : 112,443.69 = 35,482.64 : x
  2. Step 2: Convert to fraction form
    74,925.59/112,443.69 = 35,482.64/x
  3. Step 3: Cross multiply
    74,925.59x = 112,443.69 × 35,482.64
  4. Step 4: Simplify right side
    74,925.59x = 3,989,799,386.71
  5. Step 5: Solve for x
    x = 3,989,799,386.71/74,925.59
  6. Step 6: Final answer
    x = 53,250.15

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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.