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Finding the Fourth Proportional to 70,925.04, 97,866.01 and 40,711.50

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Solution

The fourth proportional to 70,925.04, 97,866.01 and 40,711.50 is: 56,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.04 : 97,866.01 = 40,711.50 : x
  2. Step 2: Convert to fraction form
    70,925.04/97,866.01 = 40,711.50/x
  3. Step 3: Cross multiply
    70,925.04x = 97,866.01 × 40,711.50
  4. Step 4: Simplify right side
    70,925.04x = 3,984,272,066.12
  5. Step 5: Solve for x
    x = 3,984,272,066.12/70,925.04
  6. Step 6: Final answer
    x = 56,175.82

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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.