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Finding the Fourth Proportional to 70,455.42, 97,270.47 and 46,602.54

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Solution

The fourth proportional to 70,455.42, 97,270.47 and 46,602.54 is: 64,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.42 : 97,270.47 = 46,602.54 : x
  2. Step 2: Convert to fraction form
    70,455.42/97,270.47 = 46,602.54/x
  3. Step 3: Cross multiply
    70,455.42x = 97,270.47 × 46,602.54
  4. Step 4: Simplify right side
    70,455.42x = 4,533,050,968.99
  5. Step 5: Solve for x
    x = 4,533,050,968.99/70,455.42
  6. Step 6: Final answer
    x = 64,339.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.